net: myri10ge: remove unnecessary pci_set_drvdata()

The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
index 1975550..68026f7 100644
--- a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
+++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
@@ -4208,7 +4208,6 @@
 	set_fw_name(mgp, NULL, false);
 	free_netdev(netdev);
 	pci_disable_device(pdev);
-	pci_set_drvdata(pdev, NULL);
 }
 
 #define PCI_DEVICE_ID_MYRICOM_MYRI10GE_Z8E 	0x0008