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/dynload.h

@@ -108,13 +108,6 @@ public:
                                             int flags = wxDL_DEFAULT );
     static bool                UnloadLibrary(const wxString &libname);
 
-        // This is used by wxDllLoader.  It's wrapped in the compatibility
-        // macro because it's of arguable use outside of that.
-
-#if WXWIN_COMPATIBILITY_2_2
-    wxDEPRECATED( static wxPluginLibrary *GetObjectFromHandle(wxDllType handle) );
-#endif
-
         // Instance methods.
 
     wxPluginManager() : m_entry(NULL) {}