Phasing away one of the mobile apps session metrics jobs
The table mobile_apps_session_metrics holds mobile session data that hasn't been useful in quite some time, will be deleting that job.
See: https://phabricator.wikimedia.org/T117615
TODO:
- - Stop coordinator in bundle
- - Update oozie code (remove bundle and make it a coordinator)
- - Kill/restart bundle to coordinator after merge and deploy