Removed obsolete LambdaObjectDialog.cpp/hpp, more include cleanups:

BedShapeDialog.hpp (needs not include) OptionsGroup.hpp
Tab.hpp            GUI_App.hpp

src/slic3r/GUI/ConfigWizard_private.hpp

@@ -24,6 +24,9 @@
 #include "AppConfig.hpp"
 #include "PresetBundle.hpp"
 #include "BedShapeDialog.hpp"
+#include "GUI.hpp"
+#include "wxExtensions.hpp"
+
 
 namespace fs = boost::filesystem;