Log out a user. (This is necessary to clear auth cookies.)
POST /api/v1/auth/steam/logout HTTP/1.1 ---------------------------------------- HTTP/1.1 204 No Content Set-Cookie: access=;... Set-Cookie: session=;...
API authentication is not required. (If you're not authenticated, this is a no-op.)
NONE
NONE
NONE
Response is empty.
NONE