Ceph: fix error when creating monmap
Ceph: fix error when creating monmap

Adjust keyring template because ceph-mon in Octopus fails to
parse keyring file which has leading indention.

Fixes: https://github.com/rook/rook/issues/3384
Signed-off-by: Kiefer Chang <cfc9da0e5e22327aaf5057dbc2f84ad788e15ac9@suse.com>

rook/rook,rook/rook,rook/rook,rook/rook,rook/rook,rook/nfs,rook/nfs,rook/nfs