shrink-osd: ability to shrink NVMe drives
shrink-osd: ability to shrink NVMe drives

Now if the service name contains nvme we know we need to remove the last
2 character instead of 1.

If nvme then osd_to_kill_disks is nvme0n1, we need nvme0
If ssd or hdd then osd_to_kill_disks is sda1, we need sda

Closes: https://bugzilla.redhat.com/show_bug.cgi?id=1561456
Signed-off-by: Sébastien Han <62d754cc350e84d3b1c32ae79f976f5348e74a40@redhat.com>
(cherry picked from commit 66c1ea8cd561fce6cfe5cdd1ecaa13411c824e3a)
Signed-off-by: Sébastien Han <62d754cc350e84d3b1c32ae79f976f5348e74a40@redhat.com>

fgal/ceph-ansible,fgal/ceph-ansible