nfs: do no copy client.bootstrap-rgw when using mds
nfs: do no copy client.bootstrap-rgw when using mds

There's no need to copy this keyring when using nfs with mds

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

ceph/ceph-ansible,ceph/ceph-ansible