function plt_hide_yoo_slider_menus() {
//Hide the "Yoo Slider" menu.
remove_menu_page('yooslider');
//Hide the "Yoo Slider → Sliders" menu.
remove_submenu_page('yooslider', 'yooslider');
//Hide the "Yoo Slider → Templates" menu.
remove_submenu_page('yooslider', 'yooslider-templates');
}
add_action('admin_menu', 'plt_hide_yoo_slider_menus', 11);