Reduce queries when ticking the runner queue by default

This removes the ci_reduce_queries_when_ticking_runner_queue
feature flag by default

Changelog: changed

app/models/ci/runner.rb

@@ -363,11 +363,7 @@ module Ci
     end
 
     def pick_build!(build)
-      if Feature.enabled?(:ci_reduce_queries_when_ticking_runner_queue, self, default_enabled: :yaml)
-        tick_runner_queue if matches_build?(build)
-      else
-        tick_runner_queue if can_pick?(build)
-      end
+      tick_runner_queue if matches_build?(build)
     end
 
     def uncached_contacted_at

config/feature_flags/development/ci_reduce_queries_when_ticking_runner_queue.yml

----
-name: ci_reduce_queries_when_ticking_runner_queue
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/55496
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/323328
-milestone: '13.10'
-type: development
-group: group::continuous integration
-default_enabled: true

spec/models/ci/runner_spec.rb

@@ -919,29 +919,13 @@ RSpec.describe Ci::Runner do
       end
     end
 
-    context 'build picking improvement enabled' do
-      before do
-        stub_feature_flags(ci_reduce_queries_when_ticking_runner_queue: true)
-      end
-
+    context 'build picking improvement' do
       it 'does not check if the build is assignable to a runner' do
         expect(runner).not_to receive(:can_pick?)
 
         runner.pick_build!(build)
       end
     end
-
-    context 'build picking improvement disabled' do
-      before do
-        stub_feature_flags(ci_reduce_queries_when_ticking_runner_queue: false)
-      end
-
-      it 'checks if the build is assignable to a runner' do
-        expect(runner).to receive(:can_pick?).and_call_original
-
-        runner.pick_build!(build)
-      end
-    end
   end
 
   describe 'project runner without projects is destroyable' do

spec/services/ci/update_build_queue_service_spec.rb

@@ -129,19 +129,6 @@ RSpec.describe Ci::UpdateBuildQueueService do
 
           subject.tick(build)
         end
-
-        context 'when feature flag ci_reduce_queries_when_ticking_runner_queue is disabled' do
-          before do
-            stub_feature_flags(ci_reduce_queries_when_ticking_runner_queue: false)
-            stub_feature_flags(ci_runners_short_circuit_assignable_for: false)
-          end
-
-          it 'runs redundant queries using `owned_or_instance_wide` scope' do
-            expect(Ci::Runner).to receive(:owned_or_instance_wide).and_call_original
-
-            subject.tick(build)
-          end
-        end
       end
     end
 
@@ -218,10 +205,9 @@ RSpec.describe Ci::UpdateBuildQueueService do
       let!(:build) { create(:ci_build, pipeline: pipeline, tag_list: %w[a b]) }
       let!(:project_runner) { create(:ci_runner, :project, :online, projects: [project], tag_list: %w[a b c]) }
 
-      context 'when ci_preload_runner_tags and ci_reduce_queries_when_ticking_runner_queue are enabled' do
+      context 'when ci_preload_runner_tags is enabled' do
         before do
           stub_feature_flags(
-            ci_reduce_queries_when_ticking_runner_queue: true,
             ci_preload_runner_tags: true
           )
         end
@@ -235,10 +221,9 @@ RSpec.describe Ci::UpdateBuildQueueService do
         end
       end
 
-      context 'when ci_preload_runner_tags and ci_reduce_queries_when_ticking_runner_queue are disabled' do
+      context 'when ci_preload_runner_tags are disabled' do
         before do
           stub_feature_flags(
-            ci_reduce_queries_when_ticking_runner_queue: false,
             ci_preload_runner_tags: false
           )
         end