Drop load-balancing FF in PipelineHooksWorker

Changelog: removed

app/workers/pipeline_hooks_worker.rb

@@ -8,7 +8,7 @@ class PipelineHooksWorker # rubocop:disable Scalability/IdempotentWorker
 
   queue_namespace :pipeline_hooks
   worker_resource_boundary :cpu
-  data_consistency :delayed, feature_flag: :load_balancing_for_pipeline_hooks_worker
+  data_consistency :delayed
 
   # rubocop: disable CodeReuse/ActiveRecord
   def perform(pipeline_id)

config/feature_flags/development/load_balancing_for_pipeline_hooks_worker.yml

----
-name: load_balancing_for_pipeline_hooks_worker
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/62104
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/331424
-milestone: '14.0'
-type: development
-group: group::memory
-default_enabled: false

spec/workers/pipeline_hooks_worker_spec.rb

@@ -25,6 +25,5 @@ RSpec.describe PipelineHooksWorker do
 
   it_behaves_like 'worker with data consistency',
                   described_class,
-                  feature_flag: :load_balancing_for_pipeline_hooks_worker,
                   data_consistency: :delayed
 end