Remove the Android display resolution selector

I think its benefit is absolutely tiny if any, and causes a lot more
problems than it's worth. Bye.

Note that this isn't the rendering resolution selector, that will of
course still be there, but it's the "hardware scaler" resolution.

UI/ControlMappingScreen.cpp

@@ -853,9 +853,6 @@ void RecreateActivity();
 
 UI::EventReturn TouchTestScreen::OnImmersiveModeChange(UI::EventParams &e) {
 	System_SendMessage("immersive", "");
-	if (g_Config.iAndroidHwScale != 0) {
-		RecreateActivity();
-	}
 	return UI::EVENT_DONE;
 }