Update db.cloud.configure().md
Update db.cloud.configure().md

Removed the timestamp as it is only needed in refresh_token requests - which takes place directly between the client and dexie.cloud server, authenticated using the refresh token and the keypair.
dfahlander/dexie.js-web,dfahlander/dexie.js-web,dfahlander/dexie.js-web,dfahlander/dexie.js-web