Don't include <windows.h> in the Windows CE qplatformdefs.h

This header defines "interface" which will break compilation of dbus.

Change-Id: I16fa35f822adca14304aa827b047358409d4a150
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
Reviewed-by: Oliver Wolff <oliver.wolff@theqtcompany.com>

mkspecs/common/wince/qplatformdefs.h

@@ -52,7 +52,6 @@
 #include <tchar.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <windows.h>
 
 #ifdef QT_LARGEFILE_SUPPORT
 #define QT_STATBUF              struct _stati64         // non-ANSI defs