Shrink cross-db spec allowlist

Lots of specs do not need be on the allowlist anymore with recent fixes,
and specific callsite allows.

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

-- "./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_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"
-- "./ee/spec/features/merge_trains/user_adds_to_merge_train_when_pipeline_succeeds_spec.rb"
-- "./ee/spec/features/projects/pipelines/pipeline_spec.rb"
 - "./ee/spec/finders/ee/namespaces/projects_finder_spec.rb"
 - "./ee/spec/graphql/ee/resolvers/namespace_projects_resolver_spec.rb"
-- "./ee/spec/lib/ee/gitlab/background_migration/migrate_approver_to_approval_rules_spec.rb"
-- "./ee/spec/lib/ee/gitlab/background_migration/populate_latest_pipeline_ids_spec.rb"
-- "./ee/spec/lib/ee/gitlab/background_migration/populate_resolved_on_default_branch_column_spec.rb"
-- "./ee/spec/lib/ee/gitlab/background_migration/populate_uuids_for_security_findings_spec.rb"
-- "./ee/spec/lib/ee/gitlab/usage_data_spec.rb"
-- "./ee/spec/migrations/schedule_populate_resolved_on_default_branch_column_spec.rb"
-- "./ee/spec/models/ci/build_spec.rb"
 - "./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/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/vulnerabilities/create_external_issue_link_spec.rb"
-- "./ee/spec/requests/api/graphql/vulnerabilities/location_spec.rb"
 - "./ee/spec/requests/api/namespaces_spec.rb"
-- "./ee/spec/services/auto_merge/add_to_merge_train_when_pipeline_succeeds_service_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/trigger_downstream_subscription_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/workers/scan_security_report_secrets_worker_spec.rb"
-- "./spec/controllers/groups/settings/ci_cd_controller_spec.rb"
 - "./spec/controllers/admin/runners_controller_spec.rb"
-- "./spec/controllers/projects/merge_requests_controller_spec.rb"
+- "./spec/controllers/groups/settings/ci_cd_controller_spec.rb"
 - "./spec/controllers/projects/settings/ci_cd_controller_spec.rb"
 - "./spec/features/admin/admin_runners_spec.rb"
 - "./spec/features/ide/user_opens_merge_request_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/projects/infrastructure_registry_spec.rb"
-- "./spec/features/projects/jobs_spec.rb"
-- "./spec/features/projects/pipelines/pipeline_spec.rb"
-- "./spec/features/projects/pipelines/pipelines_spec.rb"
 - "./spec/finders/ci/pipelines_for_merge_request_finder_spec.rb"
 - "./spec/finders/ci/runners_finder_spec.rb"
 - "./spec/frontend/fixtures/runner.rb"
 - "./spec/graphql/resolvers/ci/group_runners_resolver_spec.rb"
-- "./spec/graphql/resolvers/merge_request_pipelines_resolver_spec.rb"
 - "./spec/lib/api/entities/package_spec.rb"
-- "./spec/lib/gitlab/background_migration/migrate_legacy_artifacts_spec.rb"
-- "./spec/mailers/emails/pipelines_spec.rb"
+- "./spec/lib/gitlab/background_migration/copy_ci_builds_columns_to_security_scans_spec.rb"
+- "./spec/lib/gitlab/background_migration/migrate_pages_metadata_spec.rb"
 - "./spec/migrations/20210907211557_finalize_ci_builds_bigint_conversion_spec.rb"
-- "./spec/migrations/cleanup_legacy_artifact_migration_spec.rb"
-- "./spec/migrations/re_schedule_latest_pipeline_id_population_with_all_security_related_artifact_types_spec.rb"
-- "./spec/migrations/schedule_migrate_security_scans_spec.rb"
-- "./spec/models/ci/build_spec.rb"
-- "./spec/models/ci/job_artifact_spec.rb"
+- "./spec/migrations/associate_existing_dast_builds_with_variables_spec.rb"
+- "./spec/migrations/schedule_copy_ci_builds_columns_to_security_scans2_spec.rb"
+- "./spec/migrations/schedule_pages_metadata_migration_spec.rb"
 - "./spec/models/ci/pipeline_spec.rb"
 - "./spec/models/ci/runner_spec.rb"
 - "./spec/models/merge_request_spec.rb"
 - "./spec/models/project_spec.rb"
 - "./spec/models/user_spec.rb"
-- "./spec/presenters/ci/pipeline_presenter_spec.rb"
 - "./spec/presenters/packages/detail/package_presenter_spec.rb"
 - "./spec/requests/api/ci/runner/runners_post_spec.rb"
 - "./spec/requests/api/ci/runners_spec.rb"
-- "./spec/requests/api/commit_statuses_spec.rb"
 - "./spec/requests/api/graphql/ci/runner_spec.rb"
 - "./spec/requests/api/graphql/group_query_spec.rb"
-- "./spec/requests/api/graphql/merge_request/merge_request_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"
 - "./spec/requests/api/graphql/packages/maven_spec.rb"
 - "./spec/requests/api/graphql/packages/nuget_spec.rb"
 - "./spec/requests/api/graphql/packages/package_spec.rb"
 - "./spec/requests/api/graphql/packages/pypi_spec.rb"
-- "./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/merge_requests_spec.rb"
 - "./spec/requests/api/package_files_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/deployments/older_deployments_drop_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/post_merge_service_spec.rb"
-- "./spec/services/merge_requests/refresh_service_spec.rb"
-- "./spec/support/shared_examples/ci/pipeline_email_shared_examples.rb"
 - "./spec/support/shared_examples/features/packages_shared_examples.rb"
 - "./spec/support/shared_examples/models/concerns/limitable_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/packages_shared_examples.rb"
-- "./spec/support/shared_examples/workers/idempotency_shared_examples.rb"
-- "./spec/migrations/associate_existing_dast_builds_with_variables_spec.rb"
-- "./spec/migrations/schedule_pages_metadata_migration_spec.rb"
-- "./spec/migrations/schedule_copy_ci_builds_columns_to_security_scans2_spec.rb"
-- "./spec/lib/gitlab/background_migration/copy_ci_builds_columns_to_security_scans_spec.rb"
-- "./spec/lib/gitlab/background_migration/migrate_pages_metadata_spec.rb"