Remove support for Win9x from wxMSW.

Most importantly, this allows us to remove all MSLU-related stuff.

Some functions which were previously loaded dynamically can now be just used
directly, too.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76535 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/listctrl.cpp

@@ -269,7 +269,7 @@ bool wxListCtrl::Create(wxWindow *parent,
         return false;
 
     // explicitly say that we want to use Unicode because otherwise we get ANSI
-    // versions of _some_ messages (notably LVN_GETDISPINFOA) in MSLU build
+    // versions of _some_ messages (notably LVN_GETDISPINFOA)
     wxSetCCUnicodeFormat(GetHwnd());
 
     // We must set the default text colour to the system/theme color, otherwise