changes to enabled modules already tracked by core (#265)

[ci skip]

lib/open_project/backlogs/engine.rb

@@ -231,14 +231,6 @@ module OpenProject::Backlogs
     add_api_attribute on: :work_package, ar_name: :story_points
     add_api_attribute on: :work_package, ar_name: :remaining_hours, writeable: ->(*) { model.leaf? }
 
-    add_api_representer_cache_key(:v3, :work_packages, :schema, :work_package_schema) do
-      if represented.project.module_enabled?('backlogs')
-        ['backlogs_enabled']
-      else
-        ['backlogs_not_enabled']
-      end
-    end
-
     add_api_path :backlogs_type do |id|
       # There is no api endpoint for this url
       "#{root}/backlogs_types/#{id}"

spec/api/work_packages/work_package_schema_representer_spec.rb

@@ -129,29 +129,4 @@ describe ::API::V3::WorkPackages::Schema::WorkPackageSchemaRepresenter do
       end
     end
   end
-
-  describe '#cache_key' do
-    def joined_cache_key
-      representer.cache_key.join('/')
-    end
-
-    before do
-      allow(work_package.project)
-        .to receive(:module_enabled?)
-        .and_return false
-
-      original_cache_key
-    end
-
-    let(:original_cache_key) { joined_cache_key }
-
-    it 'changes depending on whether costs is enabled or not' do
-      allow(work_package.project)
-        .to receive(:module_enabled?)
-        .with('backlogs')
-        .and_return true
-
-      expect(joined_cache_key).to_not eql(original_cache_key)
-    end
-  end
 end