Fix GacUI_Controls (except AddressBook and ColorPicker) (NOT READY)

Tutorial/GacUI_Controls/ContainersAndButtons/Main.cpp

@@ -1,15 +1,9 @@
 #define GAC_HEADER_USE_NAMESPACE
 #include "UI/Source/Demo.h"
-#include <Windows.h>
 
 using namespace vl::collections;
 using namespace vl::stream;
 
-int CALLBACK WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int CmdShow)
-{
-	return SetupWindowsDirect2DRenderer();
-}
-
 void GuiMain()
 {
 	{