be less agressive removing data

Author: sstrigler

test/ejabberd_SUITE.erl

@@ -368,7 +368,7 @@ end_per_testcase(TestCase, Config) ->
         "invites_" ++ _ ->
             User = ?config(user, Config),
             Server = ?config(server, Config),
-            ejabberd_auth:remove_user(User, Server);
+            mod_offline:remove_user(User, Server);
         _ ->
             ok
     end.