PLAT-6664 (#399)
PLAT-6664 (#399)

* code added to remove "phantom" entries from persistence list, if playlist not found

* Added missing reject

Added missing reject, in case of any error other than 'ENOENT', when
trying to update playlist.

kaltura/liveDVR,kaltura/liveDVR,kaltura/liveDVR,kaltura/liveDVR,kaltura/liveDVR