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/ctrlsub.h

@@ -134,12 +134,6 @@ public:
     bool HasClientUntypedData() const
         { return m_clientDataItemsType == wxClientData_Void; }
 
-#if WXWIN_COMPATIBILITY_2_2
-    // compatibility - these functions are deprecated, use the new ones
-    // instead
-    wxDEPRECATED( int Number() const );
-#endif // WXWIN_COMPATIBILITY_2_2
-
 protected:
     virtual int DoAppend(const wxString& item) = 0;
     virtual int DoInsert(const wxString& item, int pos) = 0;
@@ -211,15 +205,6 @@ private:
 // inline functions
 // ----------------------------------------------------------------------------
 
-#if WXWIN_COMPATIBILITY_2_2
-
-inline int wxItemContainer::Number() const
-{
-    return GetCount();
-}
-
-#endif // WXWIN_COMPATIBILITY_2_2
-
 #endif // wxUSE_CONTROLS
 
 #endif // _WX_CTRLSUB_H_BASE_