Merge branch 'remove_save_description_versions_flag' into 'master'

Remove save_description_versions feature flag

See merge request gitlab-org/gitlab!28935

app/models/concerns/versioned_description.rb

@@ -16,7 +16,6 @@ module VersionedDescription
   def save_description_version
     self.saved_description_version = nil
 
-    return unless Feature.enabled?(:save_description_versions, issuing_parent, default_enabled: true)
     return unless saved_change_to_description?
 
     unless description_versions.exists?

spec/support/shared_examples/models/versioned_description_shared_examples.rb

@@ -9,11 +9,6 @@ RSpec.shared_examples 'versioned description' do
     let(:factory_name) { described_class.name.underscore.to_sym }
     let!(:model) { create(factory_name, description: 'Original description') }
 
-    context 'when feature is enabled' do
-      before do
-        stub_feature_flags(save_description_versions: true)
-      end
-
     context 'when description was changed' do
       before do
         model.update!(description: 'New description')
@@ -49,17 +44,4 @@ RSpec.shared_examples 'versioned description' do
       end
     end
   end
-
-    context 'when feature is disabled' do
-      before do
-        stub_feature_flags(save_description_versions: false)
-      end
-
-      it 'does not save any description version' do
-        expect { model.update!(description: 'New description') }.not_to change { model.description_versions.count }
-
-        expect(model.saved_description_version).to be_nil
-      end
-    end
-  end
 end