TUN inbound: Better "autoOutboundsInterface": "auto" (#6035)

https://github.com/XTLS/Xray-core/pull/6035#issuecomment-4336755860

Fixes https://github.com/XTLS/Xray-core/issues/6030

proxy/tun/tun_windows.go

@@ -177,9 +177,6 @@ func (t *WindowsTun) Start() error {
 
 	if updater != nil {
 		t.changeCallback, err = winipcfg.RegisterInterfaceChangeCallback(func(notificationType winipcfg.MibNotificationType, iface *winipcfg.MibIPInterfaceRow) {
-			if notificationType != winipcfg.MibDeleteInstance {
-				return
-			}
 			updater.Update()
 		})
 		if err != nil {