fix link to wiki

howto/retire-a-user.md

@@ -45,5 +45,5 @@ sure you check:
  * Gitlab - remove the user from the config, as a cleanup (disabled
    users already do not have access to gitolite)
 
-TODO: list is incomplete, need to audit [the service list](https://gitlab.torproject.org/legacy/trac/-/wikis/org/operations/services) and see
+TODO: list is incomplete, need to audit [the service list](https://gitlab.torproject.org/tpo/tpa/team/-/wikis/service) and see
 which services are in LDAP and which aren't. See [ticket #32519](https://bugs.torproject.org/32519).