amend check of options.expires in cookie.js

Author: YakovL

6-data-storage/01-cookie/cookie.js

@@ -13,7 +13,7 @@ function setCookie(name, value, options = {}) {
     ...options
   };
 
-  if (options.expires instanceof Date && options.expires.toUTCString) {
+  if (options.expires instanceof Date) {
     options.expires = options.expires.toUTCString();
   }