[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/via-rhine.c b/drivers/net/via-rhine.c
index adea290a9..565f6cc 100644
--- a/drivers/net/via-rhine.c
+++ b/drivers/net/via-rhine.c
@@ -1492,9 +1492,9 @@
 							    rp->rx_buf_sz,
 							    PCI_DMA_FROMDEVICE);
 
-				eth_copy_and_sum(skb,
+				skb_copy_to_linear_data(skb,
 						 rp->rx_skbuff[entry]->data,
-						 pkt_len, 0);
+						 pkt_len);
 				skb_put(skb, pkt_len);
 				pci_dma_sync_single_for_device(rp->pdev,
 							       rp->rx_skbuff_dma[entry],