fix drawing from Update() being overwritten, fixes wxBusyInfo not drawing properly without wxYield

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58583 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/busyinfo.cpp

@@ -124,14 +124,6 @@ wxBusyInfo::wxBusyInfo(const wxString& message, wxWindow *parent)
     m_InfoFrame->Show(true);
     m_InfoFrame->Refresh();
     m_InfoFrame->Update();
-
-#ifdef __WXGTK20__
-    // FIXME: this is pretty bad, as any call to Yield(), but without it, the
-    //         static text is never shown and neither gdk_display_flush() nor
-    //         gdk_display_sync() nor gdk_window_process_updates() helps
-    wxMilliSleep(100);
-    wxYield();
-#endif
 }
 
 wxBusyInfo::~wxBusyInfo()