misc: don't overwrite get_request().user property (#6366)

extra/modules/root.py

@@ -776,12 +776,6 @@ class AlternateRootDirectory(OldRootDirectory):
         return d
 
     def _q_traverse(self, path):
-        session = get_session()
-        if session:
-            get_request().user = session.get_user()
-        else:
-            get_request().user = None
-
         get_publisher().substitutions.feed(get_request().user)
 
         response = get_response()