Do not display project group/name when issue and MR are in same project

app/views/projects/issues/_merge_requests.html.haml

@@ -15,6 +15,7 @@
         %span.merge-request-info
           %strong
             = link_to_gfm merge_request.title, merge_request_path(merge_request), class: "row_title"
+          - unless @issue.project.id == merge_request.target_project.id
             in
             - project = merge_request.target_project
             = link_to project.name_with_namespace, namespace_project_path(project.namespace, project)