Comment 4 for bug 1640022

Reviewed: https://review.openstack.org/394783
Committed: https://git.openstack.org/cgit/openstack/kolla/commit/?id=45466d960feaa0137541a60cc97e58ea20795475
Submitter: Jenkins
Branch: stable/newton

commit 45466d960feaa0137541a60cc97e58ea20795475
Author: Jeffrey Zhang <email address hidden>
Date: Tue Nov 8 13:15:54 2016 +0800

    Remove adding repo in magnum-base Dockerfile

    delorean repo is added in base image. No need add it in magnum.

    Change-Id: I2bcbd31ee60fc52a01d08d501e8c668982d14576
    Closes-Bug: #1640022
    (cherry picked from commit 48bb37fa3716e71ab6640635036d5d3fd6f57d0c)