update: set osd flags only once
update: set osd flags only once

There is no need to set osd flags (noout, norebalance) each time we
upgrade a mon.

This commit moves up those tasks (before stopping the mon) so we don't need
to delegate them.

Signed-off-by: Guillaume Abrioux <30a9df5a0293a6108675377fa1673f7aa713f915@redhat.com>

ceph/ceph-ansible,ceph/ceph-ansible