Remove container_registry_smart_delete feature flag

Remove flag and associated code and specs

app/services/projects/container_repository/delete_tags_service.rb

@@ -9,25 +9,11 @@ module Projects
         tag_names = params[:tags]
         return error('not tags specified') if tag_names.blank?
 
-        if can_use?
-          smart_delete(container_repository, tag_names)
-        else
-          unsafe_delete(container_repository, tag_names)
-        end
+        smart_delete(container_repository, tag_names)
       end
 
       private
 
-      def unsafe_delete(container_repository, tag_names)
-        deleted_tags = tag_names.select do |tag_name|
-          container_repository.tag(tag_name).unsafe_delete
-        end
-
-        return error('could not delete tags') if deleted_tags.empty?
-
-        success(deleted: deleted_tags)
-      end
-
       # Replace a tag on the registry with a dummy tag.
       # This is a hack as the registry doesn't support deleting individual
       # tags. This code effectively pushes a dummy image and assigns the tag to it.
@@ -57,10 +43,6 @@ module Projects
           error('could not delete tags')
         end
       end
-
-      def can_use?
-        Feature.enabled?(:container_registry_smart_delete, project, default_enabled: true)
-      end
     end
   end
 end

spec/services/projects/container_repository/delete_tags_service_spec.rb

@@ -57,21 +57,7 @@ describe Projects::ContainerRepository::DeleteTagsService do
         end
       end
 
-      context 'with dummy tags disabled' do
-        let(:tags) { %w[A Ba] }
-
-        before do
-          stub_feature_flags(container_registry_smart_delete: false)
-        end
-
-        it 'deletes tags one by one' do
-          expect_delete_tag('sha256:configA')
-          expect_delete_tag('sha256:configB')
-          is_expected.to include(status: :success)
-        end
-      end
-
-      context 'with dummy tags enabled' do
+      context 'with tags to delete' do
         let(:tags) { %w[A Ba] }
 
         it 'deletes the tags using a dummy image' do