usbnet: remove old compat_net_dev_ops code

Since all usb network drivers are already converted to net_device_ops
this code is useless.
Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/usb/usbnet.c

@@ -1185,12 +1185,6 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
 #endif
 
 	net->netdev_ops = &usbnet_netdev_ops;
-#ifdef CONFIG_COMPAT_NET_DEV_OPS
-	net->hard_start_xmit = usbnet_start_xmit;
-	net->open = usbnet_open;
-	net->stop = usbnet_stop;
-	net->tx_timeout = usbnet_tx_timeout;
-#endif
 	net->watchdog_timeo = TX_TIMEOUT_JIFFIES;
 	net->ethtool_ops = &usbnet_ethtool_ops;