Merge branch 'remove-ff-avoid-cross-joins-environments-in-self-and-descendants' into 'master'

Remove FF avoid_cross_joins_environments_in_self_and_descendants

See merge request gitlab-org/gitlab!76857

app/models/ci/pipeline.rb

@@ -949,7 +949,6 @@ module Ci
     end
 
     def environments_in_self_and_descendants
-      if ::Feature.enabled?(:avoid_cross_joins_environments_in_self_and_descendants, default_enabled: :yaml)
       # We limit to 100 unique environments for application safety.
       # See: https://gitlab.com/gitlab-org/gitlab/-/issues/340781#note_699114700
       expanded_environment_names =
@@ -960,11 +959,6 @@ module Ci
                                       .pluck(:expanded_environment_name)
 
       Environment.where(project: project, name: expanded_environment_names).with_deployment(sha)
-      else
-        environment_ids = self_and_descendants.joins(:deployments).select(:'deployments.environment_id')
-
-        Environment.where(id: environment_ids)
-      end
     end
 
     # With multi-project and parent-child pipelines

config/feature_flags/development/avoid_cross_joins_environments_in_self_and_descendants.yml

----
-name: avoid_cross_joins_environments_in_self_and_descendants
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/71894
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/342991
-milestone: '14.4'
-type: development
-group: group::release
-default_enabled: false