Remove parentid to fix welcome/users-Home.meta

Author: UlrichB22

src/moin/help/welcome/users-Home.meta

@@ -15,7 +15,6 @@
   ],
   "name_old": [],
   "namespace": "users",
-  "parentid": "420f034d049543eaa74fe35441264a66",
   "rev_number": 1,
   "revid": "5df874c84981428d9f58072011e97438",
   "sha1": "7988eff17ca08ba85fbb8219911a3ad9a7523cd8",