Elementor\Skins_Manager::remove_skin PHP Метод

    public function remove_skin(Widget_Base $widget, $skin_id)
    {
        $widget_name = $widget->get_name();
        if (!isset($this->_skins[$widget_name][$skin_id])) {
            return new \WP_Error('Cannot remove not-exists skin.');
        }
        unset($this->_skins[$widget_name][$skin_id]);
        return true;
    }