Allow all users to see the project group detail view

This commit fixes a bug introduced by a4614af, which broke the project
group detail view by blocking anyone except superusers from being able
to transition into it.

Change-Id: I72ffb59720e2aa096450d4cec98daf7d1874a40b

src/app/project_group/module.js

@@ -58,9 +58,7 @@ angular.module('sb.project_group',
                                 deferred.reject(error);
                             });
                         return deferred.promise;
-                    },
-                    isSuperuser: PermissionResolver
-                        .requirePermission('is_superuser', true)
+                    }
                 }
         });
     });