Comment 2 for bug 1686918

Reviewed: https://review.openstack.org/460571
Committed: https://git.openstack.org/cgit/openstack/tripleo-heat-templates/commit/?id=7d87b8225bd640fee4b55fd66e793391526f6d54
Submitter: Jenkins
Branch: master

commit 7d87b8225bd640fee4b55fd66e793391526f6d54
Author: marios <email address hidden>
Date: Thu Apr 27 16:51:42 2017 +0300

    Unset the UpgradeInitCommand on converge

    In the converge envs we unset the UpgradeInitCommon since we used
    that for the N..O upgrades workflow. However an operator may have
    also overridden the UpgradeInitCommand so we should unset that
    too.

    Closes-Bug: 1686918
    Change-Id: I3b316d04b78a4ab1e3f9f69948e42e6fb0ad6632