Windows: remove driver resource dependency on MFC

Use the Windows SDK winres.h header in Driver.rc and its resource-editor
metadata. Remove the obsolete MFC include-path override from the legacy
driver build script.

src/Driver/BuildDriver.cmd

@@ -140,7 +140,6 @@ pushd .
 		set USER_C_FLAGS=%TC_C_FLAGS% %TC_C_DISABLED_WARNINGS% -FAcs -Fa%~1\obj%TC_BUILD_ALT_DIR%\%TC_BUILD_ARCH_DIR%\
 		set MSC_WARNING_LEVEL=%TC_C_WARNING_LEVEL%
 		set C_DEFINES=%TC_C_DEFINES%
-		set RCOPTIONS=/I %MFC_INC_PATH%
 		set LIBRARIAN_FLAGS=%TC_LIBRARIAN_FLAGS%
 		set LINKER_FLAGS=%TC_LINKER_FLAGS%
 		set BUILD_ALT_DIR=%TC_BUILD_ALT_DIR%

src/Driver/Driver.rc

@@ -7,7 +7,7 @@
 //
 // Generated from the TEXTINCLUDE 2 resource.
 //
-#include "afxres.h"
+#include "winres.h"
 
 /////////////////////////////////////////////////////////////////////////////
 #undef APSTUDIO_READONLY_SYMBOLS
@@ -72,7 +72,7 @@ END
 
 2 TEXTINCLUDE
 BEGIN
-    "#include ""afxres.h""\r\n"
+    "#include ""winres.h""\r\n"
     "\0"
 END