remove wxMSW-specific (but copied into wxPalm too) wxAppTraits::AlwaysYield(), it's useless now that wxEventLoop is in wxBase

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@60734 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/app.cpp

@@ -200,11 +200,6 @@ void *wxGUIAppTraits::BeforeChildWaitLoop()
     return new ChildWaitLoopData(wd, winActive);
 }
 
-void wxGUIAppTraits::AlwaysYield()
-{
-    wxYield();
-}
-
 void wxGUIAppTraits::AfterChildWaitLoop(void *dataOrig)
 {
     wxEndBusyCursor();