Remove wxAnimationCtrlBase from wxRTTI

This is consistent with the other wxFooBase classes which are not part
of it, as they're considered implementation details and not parts of the
API.

src/common/animatecmn.cpp

@@ -38,11 +38,10 @@ const char wxAnimationCtrlNameStr[] = "animationctrl";
 wxAnimation wxNullAnimation;
 
 wxIMPLEMENT_DYNAMIC_CLASS(wxAnimation, wxObject);
-wxIMPLEMENT_ABSTRACT_CLASS(wxAnimationCtrlBase, wxControl);
 
 #if !defined(wxHAS_NATIVE_ANIMATIONCTRL)
     // In this case the "native" ctrl is the generic ctrl. See wx/animate.h
-    wxIMPLEMENT_CLASS(wxAnimationCtrl, wxGenericAnimationCtrl);
+    wxIMPLEMENT_CLASS(wxAnimationCtrl, wxControl);
 #endif
 
 #include "wx/listimpl.cpp"