Purge Orphaned Policy Periods work queue

Code	`PurgeOrphanedPolicyPeriods`
Categories	`UIRunnable`, `Schedulable`
Implementation	Work queue
Schedule	Not scheduled
Class	PurgeOrphanedPolicyPeriodWorkQueue.java

The Purge Orphaned Policy Periods work queue finds orphaned policy periods (policy periods not associated with a specific job) and deletes them. The process deletes policy periods and other entities from the PolicyCenter database.

Note: Guidewire disables the Purge work queue in the base configuration.