Maps Notification From Google-Advice On What To Do?

The notification states: Notification Title: [Security Alert]: Polyfill.io Issue for Google Maps Platform users, The website in question uses Map 2 by Doobox.

Google's instructions on the matter state:

1. Investigate your website: Check your website's code to see if you're loading any compromised libraries (including polyfill.io).

2. Remove or replace the code: If you find compromised libraries, consider:

3. Hosting a clean, secure version of the code yourself

4. Switching to an alternative library or provider

5. Removing the library if you don’t need it

6. Re-deploy your code through your regular process.

So what the heck should be done?