Use short project path helpers

`codequality_report_project_pipeline_path`
instead of
`codequality_report_namespace_project_pipeline_path`

ee/app/views/projects/pipelines/_tabs_holder.html.haml

@@ -14,5 +14,5 @@
 
 - if pipeline.downloadable_path_for_report_type(:codequality)
   %li.js-codequality-tab-link
-    = link_to codequality_report_namespace_project_pipeline_path(project.namespace, project, pipeline), data: { target: '#js-tab-codequality', action: 'codequality_report', toggle: 'tab'}, class: 'codequality-tab' do
+    = link_to codequality_report_project_pipeline_path(project, pipeline), data: { target: '#js-tab-codequality', action: 'codequality_report', toggle: 'tab'}, class: 'codequality-tab' do
       = _('Code Quality')

ee/spec/features/projects/pipelines/pipeline_spec.rb

@@ -182,7 +182,7 @@ describe 'Pipeline', :js do
       context 'with code quality artifact' do
         before do
           create(:ee_ci_build, :codequality, pipeline: pipeline)
-          visit codequality_report_namespace_project_pipeline_path(project.namespace, project, pipeline)
+          visit codequality_report_project_pipeline_path(project, pipeline)
         end
 
         it 'shows code quality tab pane as active' do