removed unused variable

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@35567 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/motif/window.cpp

@@ -2159,8 +2159,6 @@ void wxUniversalRepaintProc(Widget w, XtPointer WXUNUSED(c_data), XEvent *event,
     {
         case Expose:
         {
-            Display *display = (Display *) win -> GetXDisplay();
-
             win->AddUpdateRect(event->xexpose.x, event->xexpose.y,
                                event->xexpose.width, event->xexpose.height);