Nginx sets Host-header correctly, don't unset

wordpress/templates/wp-config.php.j2

@@ -13,7 +13,6 @@ define('DB_COLLATE', '');
 
 define('FS_METHOD', 'direct');
 
-$_SERVER["HTTP_HOST"] = $_SERVER["HTTP_X_FORWARDED_HOST"];
 $_SERVER["HTTPS"] = "on";
 
 require_once('secrets.php');