function plt_hide_adgoal_affiliate_marketing_monetization_menus() {
//Hide the "Settings → adgoal" menu.
remove_submenu_page('options-general.php', 'adgoal-affiliate-marketing-monetization/adgoal.php');
}
add_action('admin_menu', 'plt_hide_adgoal_affiliate_marketing_monetization_menus', 11);