Re-enable encrypted volume test

[vakwetu]

Now that barbican is integrated with cinder and nova, re-enable this test to make sure it still works

[openshift-ci]

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[softwarefactory-project-zuul]

Build failed (check pipeline). Post recheck (without leading slash)
to rerun all jobs. Make sure the failure cause has been resolved before
you rerun jobs.

https://review.rdoproject.org/zuul/buildset/c5899f2db5964cb984ea08e03c3ce4d0

✔️ openstack-k8s-operators-content-provider SUCCESS in 1h 37m 04s
✔️ podified-multinode-edpm-deployment-crc SUCCESS in 1h 09m 42s
✔️ cifmw-crc-podified-edpm-baremetal SUCCESS in 1h 06m 18s
❌ openstack-operator-tempest-multinode FAILURE in 1h 22m 15s

[ASBishop]

I don't have experience defining these jobs, but from what I can tell from the logs the controlplane isn't defining any cinder-volume service. You end up with cinder-api and cinder-scheduler but no cinder-volume backend(s). The cinder gang is still (slowly) marching toward support for the LVM backend, which will be handy for CI purposes, but until then we'll need to limit testing volume encryption to a job that includes ceph in order to get a cinder RBD backend.

[dprince]

marking changes needed based on feedback

[openshift-merge-robot]

PR needs rebase.

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[stuggi]

@vakwetu is this PR still needed?

[vakwetu]

No longer needed.