function plt_hide_advanced_captcha_for_contact_form_7_menus() {
//Hide the "Settings → Advanced Captcha For Contact Form 7" menu.
remove_submenu_page('options-general.php', 'acfcf7_edit');
}
add_action('admin_menu', 'plt_hide_advanced_captcha_for_contact_form_7_menus', 11);