Currently HNAS drivers use an external XML configuration file.
This patch will deprecate this file and get all the configurations
from cinder.conf.
Co-Authored-By: Alyson Rosa <alyson.rodrigues.rosa@gmail.com>
DocImpact
Depends-On: I1b5d5155306c39c528af4037a5f54cf3d4dc1ffa
Change-Id: I00f4ae5ccd99f8f5da12e687ef0dc9cdb1717b3b