[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/starfire.c b/drivers/net/starfire.c
index 786d4b9..f2e1019 100644
--- a/drivers/net/starfire.c
+++ b/drivers/net/starfire.c
@@ -1456,7 +1456,7 @@
 			pci_dma_sync_single_for_cpu(np->pci_dev,
 						    np->rx_info[entry].mapping,
 						    pkt_len, PCI_DMA_FROMDEVICE);
-			eth_copy_and_sum(skb, np->rx_info[entry].skb->data, pkt_len, 0);
+			skb_copy_to_linear_data(skb, np->rx_info[entry].skb->data, pkt_len);
 			pci_dma_sync_single_for_device(np->pci_dev,
 						       np->rx_info[entry].mapping,
 						       pkt_len, PCI_DMA_FROMDEVICE);