[NET]: Kill eth_copy_and_sum().

It hasn't "summed" anything in over 7 years, and it's
just a straight mempcy ala skb_copy_to_linear_data()
so just get rid of it.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ariadne.c b/drivers/net/ariadne.c
index a241ae7..bc5a38a 100644
--- a/drivers/net/ariadne.c
+++ b/drivers/net/ariadne.c
@@ -746,7 +746,7 @@
 
 	    skb_reserve(skb,2);		/* 16 byte align */
 	    skb_put(skb,pkt_len);	/* Make room */
-	    eth_copy_and_sum(skb, (char *)priv->rx_buff[entry], pkt_len,0);
+	    skb_copy_to_linear_data(skb, (char *)priv->rx_buff[entry], pkt_len);
 	    skb->protocol=eth_type_trans(skb,dev);
 #if 0
 	    printk(KERN_DEBUG "RX pkt type 0x%04x from ",