refs https://github.com/TryGhost/Team/issues/909
The member identity data currently attaches several extra data points to member information which is not used/needed, and causes multiple DB queries on each page load when Portal requests for member via `/members/api/member` endpoint. This change removes all the unused data points on member - `labels`, `stripe_customer`, products`, `stripe_product` cutting DB queries in half.
refs https://github.com/TryGhost/Team/issues/664
The well known controller is designed to handle any requests to the
/.well-known endpoint where the members app is mounted. The first and
only requirement so far is that we expose a JSON Web Key Set so that
external services are able to validate Members JWT's