Revert "Pin Barbican to working commit"
Revert "Pin Barbican to working commit"

This reverts commit 7068d765cec6c0db3446cf3eed976d90586f5844.

Reason for revert: Fixed with [1].

[1] https://review.opendev.org/c/openstack/barbican/+/796059

Change-Id: I9e9fb5faa141019cc6c09f968462edd559092aff

redhat-openstack/rdoinfo