deb: reload supervisord in postrm only if it's running
deb: reload supervisord in postrm only if it's running

Former-commit-id: a9af42a4bcb644b88e8fcc73ce18a244c08ce696 [formerly e65baddb8ef575c2b98d7d1d700e12867afb539e]
Former-commit-id: 35b25cc5eb1193a8e49a0fc45227865ef130ebc5
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine