Remove FF `environment_last_visible_pipeline_disable_joins`"

app/models/environment.rb

@@ -28,8 +28,8 @@ class Environment < ApplicationRecord
   has_one :last_deployment, -> { success.distinct_on_environment }, class_name: 'Deployment', inverse_of: :environment
   has_one :last_visible_deployment, -> { visible.distinct_on_environment }, inverse_of: :environment, class_name: 'Deployment'
-  has_one :last_visible_deployable, through: :last_visible_deployment, source: 'deployable', source_type: 'CommitStatus', disable_joins: -> { ::Feature.enabled?(:environment_last_visible_pipeline_disable_joins, default_enabled: :yaml) }
-  has_one :last_visible_pipeline, through: :last_visible_deployable, source: 'pipeline', disable_joins: -> { ::Feature.enabled?(:environment_last_visible_pipeline_disable_joins, default_enabled: :yaml) }
+  has_one :last_visible_deployable, through: :last_visible_deployment, source: 'deployable', source_type: 'CommitStatus', disable_joins: true
+  has_one :last_visible_pipeline, through: :last_visible_deployable, source: 'pipeline', disable_joins: true
   has_one :upcoming_deployment, -> { running.distinct_on_environment }, class_name: 'Deployment', inverse_of: :environment
   has_one :latest_opened_most_severe_alert, -> { order_severity_with_open_prometheus_alert }, class_name: 'AlertManagement::Alert', inverse_of: :environment
@@ -198,14 +198,14 @@ def last_deployable
   # Overriding association
   def last_visible_deployable
-    return super if association_cached?(:last_visible_deployable) || ::Feature.disabled?(:environment_last_visible_pipeline_disable_joins, default_enabled: :yaml)
+    return super if association_cached?(:last_visible_deployable)
     last_visible_deployment&.deployable
   end
   # Overriding association
   def last_visible_pipeline
-    return super if association_cached?(:last_visible_pipeline) || ::Feature.disabled?(:environment_last_visible_pipeline_disable_joins, default_enabled: :yaml)
+    return super if association_cached?(:last_visible_pipeline)
     last_visible_deployable&.pipeline
   end

config/feature_flags/development/environment_last_visible_pipeline_disable_joins.yml

----
-name: environment_last_visible_pipeline_disable_joins
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/68870
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/340283
-milestone: '14.3'
-type: development
-group: group::release
-default_enabled: true

spec/models/environment_spec.rb

@@ -801,38 +801,6 @@
         expect(query_count).to eq(0)
       end
     end
-
-    context 'when the feature for disable_join is disabled' do
-      let(:pipeline) { create(:ci_pipeline, project: project) }
-      let(:ci_build) { create(:ci_build, project: project, pipeline: pipeline) }
-
-      before do
-        stub_feature_flags(environment_last_visible_pipeline_disable_joins: false)
-        create(:deployment, :failed, project: project, environment: environment, deployable: ci_build)
-      end
-
-      context 'for preload' do
-        it 'executes the original association instead of override' do
-          environment.reload
-          ActiveRecord::Associations::Preloader.new.preload(environment, [last_visible_deployable: []])
-
-          expect_any_instance_of(Deployment).not_to receive(:deployable)
-
-          query_count = ActiveRecord::QueryRecorder.new do
-            expect(subject.id).to eq(ci_build.id)
-          end.count
-
-          expect(query_count).to eq(0)
-        end
-      end
-
-      context 'for direct call' do
-        it 'executes the original association instead of override' do
-          expect_any_instance_of(Deployment).not_to receive(:deployable)
-          expect(subject.id).to eq(ci_build.id)
-        end
-      end
-    end
   end
   describe '#last_visible_pipeline' do
@@ -963,40 +931,6 @@
         expect(query_count).to eq(0)
       end
     end
-
-    context 'when the feature for disable_join is disabled' do
-      let(:pipeline) { create(:ci_pipeline, project: project) }
-      let(:ci_build) { create(:ci_build, project: project, pipeline: pipeline) }
-
-      before do
-        stub_feature_flags(environment_last_visible_pipeline_disable_joins: false)
-        create(:deployment, :failed, project: project, environment: environment, deployable: ci_build)
-      end
-
-      subject { environment.last_visible_pipeline }
-
-      context 'for preload' do
-        it 'executes the original association instead of override' do
-          environment.reload
-          ActiveRecord::Associations::Preloader.new.preload(environment, [last_visible_pipeline: []])
-
-          expect_any_instance_of(Ci::Build).not_to receive(:pipeline)
-
-          query_count = ActiveRecord::QueryRecorder.new do
-            expect(subject.id).to eq(pipeline.id)
-          end.count
-
-          expect(query_count).to eq(0)
-        end
-      end
-
-      context 'for direct call' do
-        it 'executes the original association instead of override' do
-          expect_any_instance_of(Ci::Build).not_to receive(:pipeline)
-          expect(subject.id).to eq(pipeline.id)
-        end
-      end
-    end
   end
   describe '#upcoming_deployment' do