function plt_hide_yourgood_widget_menus() {
//Hide the "YourgoodWidget" menu.
remove_menu_page('ygbtn-main-page');
//Hide the "YourgoodWidget → Настройки" menu.
remove_submenu_page('ygbtn-main-page', 'ygbtn_main_page_settings');
}
add_action('admin_menu', 'plt_hide_yourgood_widget_menus', 11);