fix(gettext): remove textstyle/stdbool.h from include list (#648)

The textstyle/stdbool.h header file is not found on macOS CI,
causing the gettext demo test to fail. Remove it from the config.

Fixes #647

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Co-authored-by: xgopilot <noreply@goplus.org>
Co-authored-by: luoliwoshang <51194195+luoliwoshang@users.noreply.github.com>

Author: 3 people

_llcppgtest/gettext/llcppg.cfg

@@ -7,7 +7,6 @@
 		"gettext-po.h",
 		"textstyle.h",
 		"textstyle/version.h",
-		"textstyle/stdbool.h",
 		"textstyle/woe32dll.h"
 	],
 	"typeMap": {