Remove a stray debug logging line

Author: michaelklishin

deps/rabbit/src/rabbit_auth_backend_internal.erl

@@ -665,7 +665,6 @@ put_user(User, Version, ActingUser) ->
                                   false -> []
                               end;
                           {TagsVal, _} ->
-                              rabbit_log:debug("TagsVal: ~p", [TagsVal]),
                               tag_list_from(TagsVal)
                       end,