woocommerce-subscriptions-backstage.php

<?php
/**
 * Plugin Name: WooCommerce Subscriptions Backstage
 * Plugin URI: https://github.com/Prospress/woocommerce-subscriptions-backstage/
 * Description: Disable WooCommerce Subscriptions' Staging Mode completely. Caveat emptor.
 * Author: Prospress Inc.
 * Author URI: http://prospress.com/
 * Version: 1.0
 * License: GPLv3
 *
 * Copyright 2017 Prospress, Inc.  (email : freedoms@prospress.com)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * @package		WooCommerce Subscriptions
 * @author		Prospress Inc.
 * @since		1.0
 */

add_action( 'woocommerce_subscriptions_is_duplicate_site', '__return_false' );