removed WXWIN_COMPATIBILITY and WXWIN_COMPATIBILITY_2

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22966 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/mac/dialog.h

@@ -79,10 +79,6 @@ public:
     // returns TRUE if we're in a modal loop
     bool IsModalShowing() const;
 
-#if WXWIN_COMPATIBILITY
-    bool Iconized() const { return IsIconized(); };
-#endif
-
     // implementation
     // --------------