src/vs/workbench/contrib/localization/electron-sandbox/localeService.ts/NativeLocaleService/clearLocalePreference
class NativeLocaleService:	async clearLocalePreference(): Promise<void> {
		try {
			await this.writeLocaleValue(undefined);
			if (!Language.isDefaultVariant()) {
				await this.showRestartDialog('English');
			}
		} catch (err) {
			this.notificationService.error(err);
		}
	}