openqa/worker: abuse the scratch build stuff to trigger handler

I want this handler to run so I need to abuse something that's
gonna come up 'changed'.

Signed-off-by: Adam Williamson <awilliam@redhat.com>

roles/openqa/worker/tasks/main.yml

@@ -31,6 +31,9 @@
 
 - name: Remove scratch repo directory
   file: path=/var/tmp/scratchrepo state=absent
+  # HACK HACK HACK FIXME
+  notify:
+  - restart openqa workers
 
 - name: (Re-)create scratch repo directory
   file: path=/var/tmp/scratchrepo state=directory owner=root group=root