osd: do not do unique on dedicated_devices
osd: do not do unique on dedicated_devices

This is needed later, if we do unique, only the first OSD will get a
journal.

Signed-off-by: Sébastien Han <62d754cc350e84d3b1c32ae79f976f5348e74a40@redhat.com>

ceph/ansible-ceph-osd