Comment 2 for bug 1689550

Reviewed: https://review.openstack.org/463559
Committed: https://git.openstack.org/cgit/openstack/kolla-ansible/commit/?id=583f0b6f2e805515c1771e742668a31508a6ad1f
Submitter: Jenkins
Branch: master

commit 583f0b6f2e805515c1771e742668a31508a6ad1f
Author: caoyuan <cao.yuan@99cloud.net>
Date: Tue May 9 20:57:23 2017 +0800

    Remove the unnecessary delimiters

    when statements should not include jinja2 templating delimiters such as
    {{ }} or {% %}. Found: {{ ceph_enable_cache | bool }}
    Closes-Bug: #1689550

    Change-Id: I2ca039b80260cd753026f8fb077c7d25e46c8b13