UBIFS: print less

UBIFS currently prints a lot of information when it mounts a volume, which
bothers some people. Make it less chatty - print only important information
by default.

Get rid of 'dbg_msg()' macro completely.

Reported-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
diff --git a/fs/ubifs/replay.c b/fs/ubifs/replay.c
index ede6e58..3187925 100644
--- a/fs/ubifs/replay.c
+++ b/fs/ubifs/replay.c
@@ -141,7 +141,7 @@
 		 * during the replay.
 		 */
 		if (dirty != 0)
-			dbg_msg("LEB %d lp: %d free %d dirty replay: %d free %d dirty",
+			dbg_mnt("LEB %d lp: %d free %d dirty replay: %d free %d dirty",
 				b->bud->lnum, lp->free, lp->dirty, b->free,
 				b->dirty);
 	}