Remove all plugins / install base theme

wp/wp-content/plugins/woocommerce/includes/rest-api/Utilities/SingletonTrait.php

@@ -1,52 +0,0 @@
-<?php
-/**
- * Singleton class trait.
- *
- * @package WooCommerce\Utilities
- */
-
-namespace Automattic\WooCommerce\RestApi\Utilities;
-
-/**
- * Singleton trait.
- */
-trait SingletonTrait {
-	/**
-	 * The single instance of the class.
-	 *
-	 * @var object
-	 */
-	protected static $instance = null;
-
-	/**
-	 * Constructor
-	 *
-	 * @return void
-	 */
-	protected function __construct() {}
-
-	/**
-	 * Get class instance.
-	 *
-	 * @return object Instance.
-	 */
-	final public static function instance() {
-		if ( null === static::$instance ) {
-			static::$instance = new static();
-		}
-		return static::$instance;
-	}
-
-	/**
-	 * Prevent cloning.
-	 */
-	private function __clone() {}
-
-	/**
-	 * Prevent unserializing.
-	 */
-	final public function __wakeup() {
-		wc_doing_it_wrong( __FUNCTION__, __( 'Unserializing instances of this class is forbidden.', 'woocommerce' ), '4.6' );
-		die();
-	}
-}