Delete the old UI!

static/js/pages/superuser.js

@@ -7,10 +7,7 @@
       {
         'newLayout': true,
         'title': 'Enterprise Registry Management'
-      },
-
-      // Note: This page has already been converted, but also needs to be available in the old layout
-      ['layout', 'old-layout'])
+      })
   }]);
 
   function SuperuserCtrl($scope, $timeout, ApiService, Features, UserService, ContainerService, AngularPollChannel, CoreDialog) {