atlx: Fix set-but-unused variable.

The variable 'tpc' is set but unused in atl1_intr_tx().
Just kill it off.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c
index 98334a1..dffa691 100644
--- a/drivers/net/atlx/atl1.c
+++ b/drivers/net/atlx/atl1.c
@@ -2074,9 +2074,6 @@
 	cmb_tpd_next_to_clean = le16_to_cpu(adapter->cmb.cmb->tpd_cons_idx);
 
 	while (cmb_tpd_next_to_clean != sw_tpd_next_to_clean) {
-		struct tx_packet_desc *tpd;
-
-		tpd = ATL1_TPD_DESC(tpd_ring, sw_tpd_next_to_clean);
 		buffer_info = &tpd_ring->buffer_info[sw_tpd_next_to_clean];
 		if (buffer_info->dma) {
 			pci_unmap_page(adapter->pdev, buffer_info->dma,