ext4: Remove redundant unlikely()

IS_ERR() already implies unlikely(), so it can be omitted here.
Signed-off-by: NTobias Klauser <tklauser@distanz.ch>
Signed-off-by: N"Theodore Ts'o" <tytso@mit.edu>

fs/ext4/namei.c

@@ -1036,7 +1036,7 @@ static struct dentry *ext4_lookup(struct inode *dir, struct dentry *dentry, stru
 			return ERR_PTR(-EIO);
 		}
 		inode = ext4_iget(dir->i_sb, ino);
-		if (unlikely(IS_ERR(inode))) {
+		if (IS_ERR(inode)) {
 			if (PTR_ERR(inode) == -ESTALE) {
 				EXT4_ERROR_INODE(dir,
 						 "deleted inode referenced: %u",