BaseTools: remove WinNtInclude.h

Appears to be a relic for ancient windows / compiler versions,
windows builds in CI work just fine without it.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Reviewed-by: Rebecca Cran <rebecca@bsdio.com>

BaseTools/Source/C/GenFv/GenFvInternalLib.c

@@ -25,7 +25,6 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 
 #include <Guid/FfsSectionAlignmentPadding.h>
 
-#include "WinNtInclude.h"
 #include "GenFvInternalLib.h"
 #include "FvLib.h"
 #include "PeCoffLib.h"