Use deprecated_reason for network quota options
Use deprecated_reason for network quota options

This addresses some comments that were missed in change:

I892855ccf8ae83c0bd5e2bc25ea64dee83ab79ed

Change-Id: If4d035ddd7dc1092f93f869395acb0021e57aed8

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