purge: containers are not stopped
purge: containers are not stopped

During purge osd, the containers are not stopped because of a typo, as a
result, all the devices can't be unmounted later.

Signed-off-by: Guillaume Abrioux <30a9df5a0293a6108675377fa1673f7aa713f915@redhat.com>
(cherry picked from commit f90f2f3a044ce18bf2b7b6b094857d886d7d41f2)

fgal/ceph-ansible,fgal/ceph-ansible