ceph_drop_inode() implementation is not any different from the generic
function, thus there's no point in keeping it around.
Signed-off-by: NLuis Henriques <lhenriques@suse.com>
Reviewed-by: NJeff Layton <jlayton@kernel.org>
Signed-off-by: NIlya Dryomov <idryomov@gmail.com>