Remove the FF ci_pipeline_add_job_with_lock

It's enabled by default since 14.3

Changelog: other

app/services/ci/pipelines/add_job_service.rb

@@ -16,15 +16,7 @@ module Ci
       def execute!(job, &block)
         assign_pipeline_attributes(job)
 
-        if Feature.enabled?(:ci_pipeline_add_job_with_lock, pipeline.project, default_enabled: :yaml)
-          in_lock("ci:pipelines:#{pipeline.id}:add-job", ttl: LOCK_TIMEOUT, sleep_sec: LOCK_SLEEP, retries: LOCK_RETRIES) do
-            Ci::Pipeline.transaction do
-              yield(job)
-
-              job.update_older_statuses_retried!
-            end
-          end
-        else
+        in_lock("ci:pipelines:#{pipeline.id}:add-job", ttl: LOCK_TIMEOUT, sleep_sec: LOCK_SLEEP, retries: LOCK_RETRIES) do
           Ci::Pipeline.transaction do
             yield(job)
 

config/feature_flags/development/ci_pipeline_add_job_with_lock.yml

----
-name: ci_pipeline_add_job_with_lock
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/65754
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/337628
-milestone: '14.2'
-type: development
-group: group::pipeline authoring
-default_enabled: true

spec/services/ci/pipelines/add_job_service_spec.rb

@@ -77,19 +77,6 @@ RSpec.describe Ci::Pipelines::AddJobService do
         expect(execute).to be_success
         expect(execute.payload[:job]).to eq(job)
       end
-
-      context 'when the FF ci_pipeline_add_job_with_lock is disabled' do
-        before do
-          stub_feature_flags(ci_pipeline_add_job_with_lock: false)
-        end
-
-        it 'does not use exclusive lock' do
-          expect(Gitlab::ExclusiveLease).not_to receive(:new).with(lock_key, timeout: lock_timeout)
-
-          expect(execute).to be_success
-          expect(execute.payload[:job]).to eq(job)
-        end
-      end
     end
   end
 end