Use treebase.h for enum duplicated in port/treectrl.h.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@34289 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/treectrl.h

@@ -41,15 +41,6 @@ struct WXDLLEXPORT wxTreeViewItem;
 // NB: all the following flags are for compatbility only and will be removed in the
 //     next versions
 
-// flags for deprecated `Expand(int action)'
-enum
-{
-    wxTREE_EXPAND_EXPAND,
-    wxTREE_EXPAND_COLLAPSE,
-    wxTREE_EXPAND_COLLAPSE_RESET,
-    wxTREE_EXPAND_TOGGLE
-};
-
 // flags for deprecated InsertItem() variant (their values are the same as of
 // TVI_FIRST and TVI_LAST)
 #define wxTREE_INSERT_FIRST 0xFFFF0001