[3.13-stable only] Revert "gianfar: Carefully free skbs in functions called by netpoll."

This reverts commit 06b1d865.

This commit is not suitable for 3.13-stable; dev_consume_skb_any() does
not exist.
Signed-off-by: Kamal Mostafa <kamal@canonical.com>

drivers/net/ethernet/freescale/gianfar.c

@@ -2139,13 +2139,13 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
 		skb_new = skb_realloc_headroom(skb, fcb_len);
 		if (!skb_new) {
 			dev->stats.tx_errors++;
-			dev_kfree_skb_any(skb);
+			kfree_skb(skb);
 			return NETDEV_TX_OK;
 		}
 
 		if (skb->sk)
 			skb_set_owner_w(skb_new, skb->sk);
-		dev_consume_skb_any(skb);
+		consume_skb(skb);
 		skb = skb_new;
 	}