-remve legacy option

git-svn-id: https://gnunet.org/svn/gnunet@34283 140774ce-b5e7-0310-ab8b-a85725594a96
-remve legacy option

git-svn-id: https://gnunet.org/svn/gnunet@34284 140774ce-b5e7-0310-ab8b-a85725594a96