net:removed the unused variable

removed the unused variable "np" of eth_v10.c.
Signed-off-by: Wanlong Gao <wanlong.gao@gmail.com>
Signed-off-by: Jesper Nilsson <jespern@axis.com>

drivers/net/cris/eth_v10.c

@@ -1131,7 +1131,6 @@ static irqreturn_t
 e100rxtx_interrupt(int irq, void *dev_id)
 {
 	struct net_device *dev = (struct net_device *)dev_id;
-	struct net_local *np = netdev_priv(dev);
 	unsigned long irqbits;
 
 	/*