Revert "Keep barbican integration job running on Bionic"
Revert "Keep barbican integration job running on Bionic"

This reverts commit 70a8924eb3844fab0a28cc5852131b0d2ad6c4fb.
Barbican DB issue is fixed by https://review.opendev.org/#/c/753699/4

Change-Id: I45db575d8fbdd8aea0e47bac0269b9f2250151ab

openstack/os-brick,openstack/os-brick