UBIFS: get rid of dbg_err

This patch removes the 'dbg_err()' macro and we now use 'ubifs_err()' instead.
The idea of 'dbg_err()' was to compile out some error message to make the
binary a bit smaller - but I think it was a bad idea.

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
diff --git a/fs/ubifs/orphan.c b/fs/ubifs/orphan.c
index 97ad042..95155cc 100644
--- a/fs/ubifs/orphan.c
+++ b/fs/ubifs/orphan.c
@@ -88,7 +88,7 @@
 		else if (inum > o->inum)
 			p = &(*p)->rb_right;
 		else {
-			dbg_err("orphaned twice");
+			ubifs_err("orphaned twice");
 			spin_unlock(&c->orphan_lock);
 			kfree(orphan);
 			return 0;
@@ -154,7 +154,7 @@
 		}
 	}
 	spin_unlock(&c->orphan_lock);
-	dbg_err("missing orphan ino %lu", (unsigned long)inum);
+	ubifs_err("missing orphan ino %lu", (unsigned long)inum);
 	dump_stack();
 }