Remove unnecessary credential sanitation for logging
Remove unnecessary credential sanitation for logging

Now that the credentials dict is the return from
context.to_policy_values() and not the context object itself there's no
need to attempt to pop the 'auth_token' key out before logging.

Change-Id: I3b4eacf6c7d97a4243aff026aefbb53017d5e840

rajalokan/nova,mahak/nova,vmturbo/nova,rajalokan/nova,Juniper/nova,mahak/nova,hanlind/nova,klmitch/nova,vmturbo/nova,openstack/nova,Juniper/nova,mahak/nova,jianghuaw/nova,klmitch/nova,hanlind/nova,sebrandon1/nova,rajalokan/nova,openstack/nova,gooddata/openstack-nova,cloudbase/nova,mikalstill/nova,gooddata/openstack-nova,vmturbo/nova,sebrandon1/nova,mikalstill/nova,gooddata/openstack-nova,gooddata/openstack-nova,hanlind/nova,cloudbase/nova,jianghuaw/nova,cloudbase/nova,klmitch/nova,phenoxim/nova,jianghuaw/nova,rahulunair/nova,klmitch/nova,Juniper/nova,openstack/nova,phenoxim/nova,rajalokan/nova,jianghuaw/nova,mikalstill/nova,rahulunair/nova,sebrandon1/nova,vmturbo/nova,rahulunair/nova,Juniper/nova