revert: fix(systemtrayicon, widget): Added deallocate memory

Revert commit cbb7eeca62

fixes #3144

src/widget/systemtrayicon.cpp

@@ -99,19 +99,6 @@ SystemTrayIcon::SystemTrayIcon()
 
 SystemTrayIcon::~SystemTrayIcon()
 {
-    delete qtIcon;
-#ifdef ENABLE_SYSTRAY_UNITY_BACKEND
-    delete unityIndicator;
-    delete unityMenu;
-#endif
-#ifdef ENABLE_SYSTRAY_STATUSNOTIFIER_BACKEND
-    delete statusNotifier;
-    delete snMenu;
-#endif
-#ifdef ENABLE_SYSTRAY_GTK_BACKEND
-    delete gtkIcon;
-    delete gtkMenu;
-#endif
     qDebug() << "Deleting SystemTrayIcon";
 }
 

src/widget/widget.cpp

@@ -482,10 +482,7 @@ Widget::~Widget()
     Translator::unregister(this);
     AutoUpdater::abortUpdates();
     if (icon)
-    {
         icon->hide();
-        delete icon;
-    }
 
     delete profileForm;
     delete settingsWidget;