Remove additional policy configuration details from policy doc
Remove additional policy configuration details from policy doc

This is removing additional details that were originally reviewed in:

  I263b2f72037a588623958baccacf78fb6a6be05d

The policy and docs in code work that nova completed in Newton.

Change-Id: I66105fa90036db50249b62fc34442b667a5ee1db

klmitch/nova,klmitch/nova,klmitch/nova,openstack/nova,mahak/nova,klmitch/nova,mahak/nova,rahulunair/nova,openstack/nova,rahulunair/nova,mahak/nova,rahulunair/nova,openstack/nova