test: update micro-osd.sh to support nautilus
test: update micro-osd.sh to support nautilus

Apparently 'rados mkpool' and 'rados rmpool' no longer function when
using nautilus.
Switch to ceph osd pool subcommands.

Signed-off-by: John Mulligan <eda8ad33169deab44f9fe65847f99e368da6c91b@redhat.com>

ceph/go-ceph,ceph/go-ceph,ceph/go-ceph