Remove ci_quota_check_on_retries feature flag

Check CI minutes quota when retrying jobs/pipelines.

Changelog: added
EE: true

config/feature_flags/development/ci_quota_check_on_retries.yml

----
-name: ci_quota_check_on_retries
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/62702
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/333765
-milestone: '14.0'
-type: development
-group: group::pipeline execution
-default_enabled: false

ee/app/services/ee/ci/retry_build_service.rb

@@ -40,8 +40,6 @@ module EE
 
       override :check_assignable_runners!
       def check_assignable_runners!(build)
-        return unless ::Feature.enabled?(:ci_quota_check_on_retries, project, default_enabled: :yaml)
-
         runner_minutes = ::Gitlab::Ci::Minutes::RunnersAvailability.new(project)
         return if runner_minutes.available?(build.build_matcher)
 

ee/app/services/ee/ci/retry_pipeline_service.rb

@@ -19,7 +19,6 @@ module EE
       end
 
       def ci_minutes_exceeded?(build)
-        ::Feature.enabled?(:ci_quota_check_on_retries, project, default_enabled: :yaml) &&
         !runner_minutes.available?(build.build_matcher)
       end
 

ee/spec/services/ci/retry_build_service_spec.rb

@@ -153,14 +153,6 @@ RSpec.describe Ci::RetryBuildService do
 
           it { expect(new_build).not_to be_failed }
         end
-
-        context 'when the feature is disabled' do
-          before do
-            stub_feature_flags(ci_quota_check_on_retries: false)
-          end
-
-          it { expect(new_build).not_to be_failed }
-        end
       end
     end
   end

ee/spec/services/ci/retry_pipeline_service_spec.rb

@@ -36,20 +36,6 @@ RSpec.describe Ci::RetryPipelineService do
       expect(build('rspec 2')).to be_pending
       expect(pipeline.reload).to be_running
     end
-
-    context 'when the feature flag is disabled' do
-      before do
-        stub_feature_flags(ci_quota_check_on_retries: false)
-      end
-
-      it 'enqueues all builds' do
-        service.execute(pipeline)
-
-        expect(build('rspec 1')).to be_pending
-        expect(build('rspec 2')).to be_pending
-        expect(pipeline.reload).to be_running
-      end
-    end
   end
 
   def build(name)