netdevsim: remove redundant branch

bool notify is referenced nowhere else in the function except to check
whether or not to call rtnl_offload_xstats_notify(). Remove it and move
the call to the previous branch.

Signed-off-by: Dennis Chen <[e-mail]>
Reviewed-by: Simon Horman <[e-mail]>
Reviewed-by: Petr Machata <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Jakub Kicinski <[e-mail]>

drivers/net/netdevsim/hwstats.c

···
 	struct nsim_dev_hwstats_netdev *hwsdev;
 	struct nsim_dev *nsim_dev;
 	struct net_device *netdev;
-	bool notify = false;
 	struct net *net;
 	int err = 0;
 
···
 
 	if (netdev_offload_xstats_enabled(netdev, type)) {
 		nsim_dev_hwsdev_enable(hwsdev, NULL);
-		notify = true;
+		rtnl_offload_xstats_notify(netdev);
 	}
 
-	if (notify)
-		rtnl_offload_xstats_notify(netdev);
 	rtnl_unlock();
 	return err;