netdevsim: remove nsim_dellink() implementation

Remove nsim_dellink() implementation. The rtnetlink code sets the
dellink op to unregister_netdevice_queue(), so this is not needed.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/netdevsim/netdev.c

@@ -544,18 +544,12 @@ static int nsim_newlink(struct net *src_net, struct net_device *dev,
 	return register_netdevice(dev);
 }
 
-static void nsim_dellink(struct net_device *dev, struct list_head *head)
-{
-	unregister_netdevice_queue(dev, head);
-}
-
 static struct rtnl_link_ops nsim_link_ops __read_mostly = {
 	.kind		= DRV_NAME,
 	.priv_size	= sizeof(struct netdevsim),
 	.setup		= nsim_setup,
 	.validate	= nsim_validate,
 	.newlink	= nsim_newlink,
-	.dellink	= nsim_dellink,
 };
 
 static int __init nsim_module_init(void)