Updated openstack/openstack
Project: openstack/keystone  15a01f2918b4822b3df660ca2567ef398ed7d0a3

Fixes aggressive use of translation hints

The oslo.i18n docs say not to use the hints if the message will
ultimately be user facing:
    http://docs.openstack.org/developer/oslo.i18n/guidelines.html

Change-Id: I7162bcb3dd23f5df2f1220ec531b2e40b2588ce2