- fix ext leftovers

git-svn-id: https://gnunet.org/svn/gnunet@34493 140774ce-b5e7-0310-ab8b-a85725594a96
- disable NSE proof of work in the test

git-svn-id: https://gnunet.org/svn/gnunet@34494 140774ce-b5e7-0310-ab8b-a85725594a96