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

include/wx/scrolwin.h

@@ -140,11 +140,6 @@ public:
     //        once it is fixed!
     void OnScroll(wxScrollWinEvent& event) { HandleOnScroll(event); }
 
-#if WXWIN_COMPATIBILITY_2_2
-    // Compatibility only, don't use
-    wxDEPRECATED( void ViewStart(int *x, int *y) const );
-#endif // WXWIN_COMPATIBILITY_2_2
-
 protected:
     // get pointer to our scroll rect if we use it or NULL
     const wxRect *GetScrollRect() const