C++: removed pre-defined macros that should come from windows.h

Task-number: QTCREATORBUG-5734
Change-Id: Ie4aa437616955fd65fcc6adbfc0e9f115caf7e1c
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@nokia.com>

src/plugins/cpptools/cppmodelmanager.cpp

@@ -158,12 +158,9 @@ static const char pp_configuration[] =
     "#define __cdecl\n"
     "#define __stdcall\n"
     "#define QT_WA(x) x\n"
-    "#define API\n"
-    "#define WINAPI\n"
     "#define CALLBACK\n"
     "#define STDMETHODCALLTYPE\n"
     "#define __RPC_FAR\n"
-    "#define APIENTRY\n"
     "#define __declspec(a)\n"
     "#define STDMETHOD(method) virtual HRESULT STDMETHODCALLTYPE method\n"
     "#define __try try\n"