Seems likely:
Please update your projects listed below by March 7, 2019 and ensure they are no longer using Google+ APIs. The data below shows which Google+ API methods your projects have recently called.
Note: If you see calls to people.get, these can be the result of using the Google+ Sign-In feature in your application, which is now fully deprecated and is being shut down. Developers should migrate from the Google+ Sign-In feature to the more comprehensive Google Sign-in authentication system.