NetXen: Removal of extra free_irq call

NetXen: Removal of redundant free_irq
This patch removes a redundant free_irq() call from remove() routine.
This will also eliminate a warning during unload of driver.

Signed-by: Mithlesh Thukral <[e-mail]>

Signed-off-by: Jeff Garzik <[e-mail]>

drivers/net/netxen/netxen_nic_main.c

···
 	if (adapter->portnum == 0)
 		netxen_free_adapter_offload(adapter);
 
-	if (adapter->irq)
-		free_irq(adapter->irq, adapter);
 	if(adapter->portnum == 0) {
 		/* leave the hw in the same state as reboot */
 		writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));