Remove `log_import_export_relation_creation` feature flag

Related to: https://gitlab.com/gitlab-org/gitlab/-/issues/345293

Changelog: changed

config/feature_flags/development/log_import_export_relation_creation.yml

----
-name: log_import_export_relation_creation
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/27605
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/282245
-milestone: '12.10'
-type: development
-group: group::import
-default_enabled: false

lib/gitlab/import_export/group/relation_tree_restorer.rb

@@ -264,14 +264,12 @@ module Gitlab
           @relation_reader.sort_ci_pipelines_by_id
         end
 
-        # Enable logging of each top-level relation creation when Importing
-        # into a Group if feature flag is enabled
+        # Enable logging of each top-level relation creation when Importing into a Group
         def log_relation_creation(importable, relation_key, relation_object)
           root_ancestor_group = importable.try(:root_ancestor)
 
           return unless root_ancestor_group
           return unless root_ancestor_group.instance_of?(::Group)
-          return unless Feature.enabled?(:log_import_export_relation_creation, root_ancestor_group)
 
           @shared.logger.info(
             importable_type: importable.class.to_s,

spec/lib/gitlab/import_export/group/relation_tree_restorer_spec.rb

@@ -48,10 +48,8 @@ RSpec.describe Gitlab::ImportExport::Group::RelationTreeRestorer do
 
   subject { relation_tree_restorer.restore }
 
-  shared_examples 'logging of relations creation' do
-    context 'when log_import_export_relation_creation feature flag is enabled' do
-      before do
-        stub_feature_flags(log_import_export_relation_creation: group)
+  it 'restores group tree' do
+    expect(subject).to eq(true)
   end
 
   it 'logs top-level relation creation' do
@@ -62,27 +60,4 @@ RSpec.describe Gitlab::ImportExport::Group::RelationTreeRestorer do
 
     subject
   end
-    end
-
-    context 'when log_import_export_relation_creation feature flag is disabled' do
-      before do
-        stub_feature_flags(log_import_export_relation_creation: false)
-      end
-
-      it 'does not log top-level relation creation' do
-        expect(shared.logger)
-          .to receive(:info)
-          .with(hash_including(message: '[Project/Group Import] Created new object relation'))
-          .never
-
-        subject
-      end
-    end
-  end
-
-  it 'restores group tree' do
-    expect(subject).to eq(true)
-  end
-
-  include_examples 'logging of relations creation'
 end

spec/lib/gitlab/import_export/project/relation_tree_restorer_spec.rb

@@ -54,38 +54,6 @@ RSpec.describe Gitlab::ImportExport::Project::RelationTreeRestorer do
     end
   end
 
-  shared_examples 'logging of relations creation' do
-    context 'when log_import_export_relation_creation feature flag is enabled' do
-      before do
-        stub_feature_flags(log_import_export_relation_creation: group)
-      end
-
-      it 'logs top-level relation creation' do
-        expect(shared.logger)
-          .to receive(:info)
-          .with(hash_including(message: '[Project/Group Import] Created new object relation'))
-          .at_least(:once)
-
-        subject
-      end
-    end
-
-    context 'when log_import_export_relation_creation feature flag is disabled' do
-      before do
-        stub_feature_flags(log_import_export_relation_creation: false)
-      end
-
-      it 'does not log top-level relation creation' do
-        expect(shared.logger)
-          .to receive(:info)
-          .with(hash_including(message: '[Project/Group Import] Created new object relation'))
-          .never
-
-        subject
-      end
-    end
-  end
-
   context 'with legacy reader' do
     let(:path) { 'spec/fixtures/lib/gitlab/import_export/complex/project.json' }
     let(:relation_reader) do
@@ -106,7 +74,14 @@ RSpec.describe Gitlab::ImportExport::Project::RelationTreeRestorer do
         create(:project, :builds_enabled, :issues_disabled, name: 'project', path: 'project', group: group)
       end
 
-      include_examples 'logging of relations creation'
+      it 'logs top-level relation creation' do
+        expect(shared.logger)
+          .to receive(:info)
+          .with(hash_including(message: '[Project/Group Import] Created new object relation'))
+          .at_least(:once)
+
+        subject
+      end
     end
   end