[XFS] Get rid of redundant "required" in msg.

SGI-PV: 963466
SGI-Modid: xfs-linux-melb:xfs-kern:28416a
Signed-off-by: NUtako Kusaka <utako@tnes.nec.co.jp>
Signed-off-by: NTim Shimmin <tes@sgi.com>
Signed-off-by: NChristoph Hellwig <hch@infradead.org>

fs/xfs/xfs_log_recover.c

@@ -3884,8 +3884,7 @@ xlog_recover(
 		 * under the vfs layer, so we can get away with it unless
 		 * the device itself is read-only, in which case we fail.
 		 */
-		if ((error = xfs_dev_is_read_only(log->l_mp,
-						"recovery required"))) {
+		if ((error = xfs_dev_is_read_only(log->l_mp, "recovery"))) {
 			return error;
 		}