Shrink the cross-database spec allowlist further

Further specific callsite-based allowlists allow us to shink this list
further.

spec/support/database/cross-join-allowlist.yml

-- "./ee/spec/controllers/operations_controller_spec.rb"
 - "./ee/spec/controllers/projects/issues_controller_spec.rb"
 - "./ee/spec/controllers/projects/security/vulnerabilities_controller_spec.rb"
 - "./ee/spec/features/ci/ci_minutes_spec.rb"
-- "./ee/spec/features/merge_request/user_merges_immediately_spec.rb"
 - "./ee/spec/features/merge_request/user_sees_merge_widget_spec.rb"
 - "./ee/spec/features/merge_trains/two_merge_requests_on_train_spec.rb"
 - "./ee/spec/features/merge_trains/user_adds_merge_request_to_merge_train_spec.rb"
@@ -12,7 +10,6 @@
 - "./ee/spec/features/projects/settings/pipeline_subscriptions_spec.rb"
 - "./ee/spec/features/projects/settings/protected_environments_spec.rb"
 - "./ee/spec/finders/ee/namespaces/projects_finder_spec.rb"
-- "./ee/spec/finders/group_projects_finder_spec.rb"
 - "./ee/spec/finders/security/findings_finder_spec.rb"
 - "./ee/spec/graphql/ee/resolvers/namespace_projects_resolver_spec.rb"
 - "./ee/spec/lib/analytics/devops_adoption/snapshot_calculator_spec.rb"
@@ -28,92 +25,63 @@
 - "./ee/spec/models/ci/minutes/project_monthly_usage_spec.rb"
 - "./ee/spec/models/ci/pipeline_spec.rb"
 - "./ee/spec/models/ee/vulnerability_spec.rb"
-- "./ee/spec/models/merge_request_spec.rb"
 - "./ee/spec/models/project_spec.rb"
 - "./ee/spec/models/security/finding_spec.rb"
 - "./ee/spec/models/security/scan_spec.rb"
 - "./ee/spec/presenters/ci/pipeline_presenter_spec.rb"
 - "./ee/spec/requests/api/ci/minutes_spec.rb"
 - "./ee/spec/requests/api/graphql/ci/minutes/usage_spec.rb"
-- "./ee/spec/requests/api/graphql/mutations/environments/canary_ingress/update_spec.rb"
 - "./ee/spec/requests/api/graphql/mutations/vulnerabilities/create_external_issue_link_spec.rb"
-- "./ee/spec/requests/api/graphql/project/pipeline/security_report_summary_spec.rb"
 - "./ee/spec/requests/api/graphql/vulnerabilities/location_spec.rb"
-- "./ee/spec/requests/api/groups_spec.rb"
 - "./ee/spec/requests/api/namespaces_spec.rb"
-- "./ee/spec/requests/api/vulnerability_findings_spec.rb"
-- "./ee/spec/serializers/dashboard_environment_entity_spec.rb"
-- "./ee/spec/serializers/dashboard_environments_serializer_spec.rb"
 - "./ee/spec/services/auto_merge/add_to_merge_train_when_pipeline_succeeds_service_spec.rb"
-- "./ee/spec/services/ci/create_pipeline_service/runnable_builds_spec.rb"
 - "./ee/spec/services/ci/minutes/additional_packs/change_namespace_service_spec.rb"
 - "./ee/spec/services/ci/minutes/additional_packs/create_service_spec.rb"
 - "./ee/spec/services/ci/minutes/refresh_cached_data_service_spec.rb"
-- "./ee/spec/services/ci/process_pipeline_service_spec.rb"
 - "./ee/spec/services/ci/trigger_downstream_subscription_service_spec.rb"
-- "./ee/spec/services/clear_namespace_shared_runners_minutes_service_spec.rb"
 - "./ee/spec/services/deployments/auto_rollback_service_spec.rb"
 - "./ee/spec/services/ee/ci/job_artifacts/destroy_all_expired_service_spec.rb"
 - "./ee/spec/services/ee/ci/job_artifacts/destroy_batch_service_spec.rb"
 - "./ee/spec/services/ee/issues/build_from_vulnerability_service_spec.rb"
 - "./ee/spec/services/ee/merge_requests/create_pipeline_service_spec.rb"
 - "./ee/spec/services/ee/merge_requests/refresh_service_spec.rb"
-- "./ee/spec/services/security/report_summary_service_spec.rb"
-- "./ee/spec/services/security/vulnerability_counting_service_spec.rb"
 - "./ee/spec/workers/scan_security_report_secrets_worker_spec.rb"
-- "./ee/spec/workers/security/store_scans_worker_spec.rb"
 - "./spec/controllers/admin/runners_controller_spec.rb"
 - "./spec/controllers/groups/runners_controller_spec.rb"
 - "./spec/controllers/groups/settings/ci_cd_controller_spec.rb"
-- "./spec/controllers/projects/logs_controller_spec.rb"
 - "./spec/controllers/projects/merge_requests_controller_spec.rb"
 - "./spec/controllers/projects/runners_controller_spec.rb"
-- "./spec/controllers/projects/serverless/functions_controller_spec.rb"
 - "./spec/controllers/projects/settings/ci_cd_controller_spec.rb"
 - "./spec/features/admin/admin_runners_spec.rb"
 - "./spec/features/groups/settings/ci_cd_spec.rb"
 - "./spec/features/ide/user_opens_merge_request_spec.rb"
-- "./spec/features/merge_request/user_merges_immediately_spec.rb"
-- "./spec/features/merge_request/user_merges_only_if_pipeline_succeeds_spec.rb"
-- "./spec/features/merge_request/user_merges_when_pipeline_succeeds_spec.rb"
-- "./spec/features/merge_request/user_resolves_wip_mr_spec.rb"
-- "./spec/features/merge_request/user_sees_deployment_widget_spec.rb"
 - "./spec/features/merge_request/user_sees_merge_request_pipelines_spec.rb"
 - "./spec/features/merge_request/user_sees_merge_widget_spec.rb"
-- "./spec/features/merge_request/user_sees_mini_pipeline_graph_spec.rb"
 - "./spec/features/merge_request/user_sees_pipelines_from_forked_project_spec.rb"
 - "./spec/features/merge_request/user_sees_pipelines_spec.rb"
 - "./spec/features/project_group_variables_spec.rb"
 - "./spec/features/project_variables_spec.rb"
 - "./spec/features/projects/badges/list_spec.rb"
-- "./spec/features/projects/environments_pod_logs_spec.rb"
 - "./spec/features/projects/infrastructure_registry_spec.rb"
 - "./spec/features/projects/jobs_spec.rb"
-- "./spec/features/projects/package_files_spec.rb"
 - "./spec/features/projects/pipelines/pipeline_spec.rb"
 - "./spec/features/projects/pipelines/pipelines_spec.rb"
-- "./spec/features/projects/serverless/functions_spec.rb"
 - "./spec/features/projects/settings/pipelines_settings_spec.rb"
 - "./spec/features/runners_spec.rb"
 - "./spec/features/security/project/internal_access_spec.rb"
 - "./spec/features/security/project/private_access_spec.rb"
 - "./spec/features/security/project/public_access_spec.rb"
 - "./spec/features/triggers_spec.rb"
-- "./spec/finders/ci/pipelines_finder_spec.rb"
 - "./spec/finders/ci/pipelines_for_merge_request_finder_spec.rb"
 - "./spec/finders/ci/runners_finder_spec.rb"
-- "./spec/finders/clusters/knative_services_finder_spec.rb"
-- "./spec/finders/projects/serverless/functions_finder_spec.rb"
 - "./spec/frontend/fixtures/runner.rb"
 - "./spec/graphql/mutations/ci/runner/delete_spec.rb"
 - "./spec/graphql/resolvers/ci/group_runners_resolver_spec.rb"
 - "./spec/graphql/resolvers/ci/job_token_scope_resolver_spec.rb"
 - "./spec/graphql/resolvers/merge_request_pipelines_resolver_spec.rb"
 - "./spec/graphql/types/ci/job_token_scope_type_spec.rb"
-- "./spec/helpers/packages_helper_spec.rb"
 - "./spec/lib/api/entities/package_spec.rb"
 - "./spec/lib/gitlab/background_migration/migrate_legacy_artifacts_spec.rb"
-- "./spec/lib/gitlab/prometheus/query_variables_spec.rb"
 - "./spec/mailers/emails/pipelines_spec.rb"
 - "./spec/migrations/cleanup_legacy_artifact_migration_spec.rb"
 - "./spec/migrations/migrate_protected_attribute_to_pending_builds_spec.rb"
@@ -133,7 +101,6 @@
 - "./spec/presenters/ci/build_runner_presenter_spec.rb"
 - "./spec/presenters/ci/pipeline_presenter_spec.rb"
 - "./spec/presenters/packages/detail/package_presenter_spec.rb"
-- "./spec/requests/api/ci/pipelines_spec.rb"
 - "./spec/requests/api/ci/runner/jobs_request_post_spec.rb"
 - "./spec/requests/api/ci/runner/runners_post_spec.rb"
 - "./spec/requests/api/ci/runners_spec.rb"
@@ -142,7 +109,6 @@
 - "./spec/requests/api/graphql/merge_request/merge_request_spec.rb"
 - "./spec/requests/api/graphql/mutations/ci/job_token_scope/add_project_spec.rb"
 - "./spec/requests/api/graphql/mutations/ci/job_token_scope/remove_project_spec.rb"
-- "./spec/requests/api/graphql/mutations/environments/canary_ingress/update_spec.rb"
 - "./spec/requests/api/graphql/mutations/merge_requests/create_spec.rb"
 - "./spec/requests/api/graphql/packages/composer_spec.rb"
 - "./spec/requests/api/graphql/packages/conan_spec.rb"
@@ -153,44 +119,28 @@
 - "./spec/requests/api/graphql/project/merge_request/pipelines_spec.rb"
 - "./spec/requests/api/graphql/project/merge_request_spec.rb"
 - "./spec/requests/api/graphql/project/merge_requests_spec.rb"
-- "./spec/requests/api/graphql/project/pipeline_spec.rb"
 - "./spec/requests/api/merge_requests_spec.rb"
 - "./spec/requests/api/package_files_spec.rb"
-- "./spec/services/auto_merge/merge_when_pipeline_succeeds_service_spec.rb"
-- "./spec/services/ci/create_pipeline_service/cross_project_pipeline_spec.rb"
-- "./spec/services/ci/create_pipeline_service/needs_spec.rb"
-- "./spec/services/ci/create_pipeline_service_spec.rb"
 - "./spec/services/ci/destroy_pipeline_service_spec.rb"
 - "./spec/services/ci/expire_pipeline_cache_service_spec.rb"
 - "./spec/services/ci/job_artifacts/destroy_all_expired_service_spec.rb"
 - "./spec/services/ci/job_artifacts/destroy_associations_service_spec.rb"
 - "./spec/services/ci/job_artifacts/destroy_batch_service_spec.rb"
-- "./spec/services/ci/pipeline_processing/shared_processing_service.rb"
-- "./spec/services/ci/pipeline_processing/shared_processing_service_tests_with_yaml.rb"
 - "./spec/services/ci/register_job_service_spec.rb"
-- "./spec/services/clusters/applications/prometheus_config_service_spec.rb"
 - "./spec/services/deployments/older_deployments_drop_service_spec.rb"
-- "./spec/services/environments/auto_stop_service_spec.rb"
 - "./spec/services/environments/stop_service_spec.rb"
 - "./spec/services/merge_requests/add_todo_when_build_fails_service_spec.rb"
-- "./spec/services/merge_requests/create_service_spec.rb"
 - "./spec/services/merge_requests/post_merge_service_spec.rb"
 - "./spec/services/merge_requests/refresh_service_spec.rb"
-- "./spec/support/prometheus/additional_metrics_shared_examples.rb"
 - "./spec/support/shared_examples/ci/pipeline_email_shared_examples.rb"
 - "./spec/support/shared_examples/features/packages_shared_examples.rb"
 - "./spec/support/shared_examples/features/search_settings_shared_examples.rb"
 - "./spec/support/shared_examples/features/variable_list_shared_examples.rb"
 - "./spec/support/shared_examples/models/concerns/limitable_shared_examples.rb"
-- "./spec/support/shared_examples/quick_actions/merge_request/merge_quick_action_shared_examples.rb"
 - "./spec/support/shared_examples/requests/api/graphql/packages/group_and_project_packages_list_shared_examples.rb"
 - "./spec/support/shared_examples/requests/api/graphql/packages/package_details_shared_examples.rb"
 - "./spec/support/shared_examples/requests/api/logging_application_context_shared_examples.rb"
 - "./spec/support/shared_examples/requests/api/status_shared_examples.rb"
 - "./spec/support/shared_examples/requests/graphql_shared_examples.rb"
-- "./spec/support/shared_examples/services/onboarding_progress_shared_examples.rb"
 - "./spec/support/shared_examples/services/packages_shared_examples.rb"
 - "./spec/support/shared_examples/workers/idempotency_shared_examples.rb"
-- "./spec/tasks/gitlab/generate_sample_prometheus_data_spec.rb"
-- "./spec/workers/pipeline_process_worker_spec.rb"
-- "./spec/workers/pipeline_schedule_worker_spec.rb"