Unpin glare
Unpin glare

It was pinned in [1]. Now, we have webob-1.8.1 in the deps
repo for rocky [2] so we can unpin.

[1] https://review.rdoproject.org/r/#/c/13886/
[2] https://review.rdoproject.org/r/#/c/13977/

Change-Id: I55d4570eeeb480d3c1f33c1fcb81f4f1732d1d7d

javierpena/rdoinfo,redhat-openstack/rdoinfo