Removed WXWIN_COMPATIBILITY_2_2 together with code guarded by it.

Changed default for WXWIN_COMPATIBILITY_2_4 to 0.
  Added WXWIN_COMPATIBILITY_2_6 (defaults to 1).
  Ran build/update-setup-h.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@35858 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/framecmn.cpp

@@ -568,12 +568,3 @@ void wxFrameBase::SetMenuBar(wxMenuBar *menubar)
 }
 
 #endif // wxUSE_MENUS
-
-#if WXWIN_COMPATIBILITY_2_2
-
-bool wxFrameBase::Command(int winid)
-{
-    return ProcessCommand(winid);
-}
-
-#endif // WXWIN_COMPATIBILITY_2_2