fs: ubifs: remove dead code

This code is dead because it appears after an infinite loop; remove it.

Fixes: d5888d509c ("fs: ubifs: fix bugs involving symlinks in ubifs_findfile")
Signed-off-by: Peter Collingbourne <peter@pcc.me.uk>
Reviewed-by: Heiko Schocher <hs@nabladev.com>

hs: corrected the commit ID

fs/ubifs/ubifs.c

@@ -608,9 +608,6 @@ static unsigned long ubifs_findfile(struct super_block *sb, char *filename)
 		root_inum = inum;
 		name = next;
 	}
-
-	kfree(buf);
-	return 0;
 }
 
 int ubifs_set_blk_dev(struct blk_desc *rbdd, struct disk_partition *info)