Remove all systray related for v2. (#2329)

Possible fix for #2265. Close systray separately after the application ran.

v2/pkg/application/application.go

@@ -14,9 +14,6 @@ type Application struct {
 	application *app.App
 	options     *options.App
 
-	// System Trays
-	systemTrays []*SystemTray
-
 	// running flag
 	running bool
 
@@ -52,11 +49,6 @@ func (a *Application) SetApplicationMenu(appMenu *menu.Menu) {
 
 // Run starts the application
 func (a *Application) Run() error {
-
-	for _, systemtray := range a.systemTrays {
-		go systemtray.run()
-	}
-
 	err := applicationInit()
 	if err != nil {
 		return err
@@ -78,16 +70,12 @@ func (a *Application) Run() error {
 	a.running = true
 
 	err = a.application.Run()
-	a.Quit()
 	return err
 }
 
 // Quit will shut down the application
 func (a *Application) Quit() {
 	a.shutdown.Do(func() {
-		for _, systray := range a.systemTrays {
-			systray.Close()
-		}
 		a.application.Shutdown()
 	})
 }
@@ -112,9 +100,3 @@ func (a *Application) On(eventType EventType, callback func()) {
 		a.options.OnDomReady = c
 	}
 }
-
-func (a *Application) NewSystemTray(options *options.SystemTray) *SystemTray {
-	systemTray := newSystemTray(options)
-	a.systemTrays = append(a.systemTrays, systemTray)
-	return systemTray
-}