USER logs himself out (which renders the user API Key invalid).
Post account logout.
Add api auth logout.
Logs out the front end user from the online store. The access token expires.
Logs out the back end user from plentymarkets. The access token expires.
Logout a user
Logout (primarily for mobile clients)
Invalidates all sessions for a light account, for a platform to use during platform logout.You may only log out Express accounts connected to your platform.