stmmac: 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: NDavid S. Miller <davem@davemloft.net>

drivers/net/stmmac/stmmac_main.c

@@ -949,7 +949,7 @@ static int stmmac_sw_tso(struct stmmac_priv *priv, struct sk_buff *skb)
 	       skb, skb->len);
 
 	segs = skb_gso_segment(skb, priv->dev->features & ~NETIF_F_TSO);
-	if (unlikely(IS_ERR(segs)))
+	if (IS_ERR(segs))
 		goto sw_tso_end;
 
 	do {