[testing] Remove openstack-tempest-all

[lpiwowar]

No description provided.

[openshift-ci]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: lpiwowar
Once this PR has been reviewed and has the lgtm label, please assign stuggi for approval. For more information see the Kubernetes Code Review Process.

The full list of commands accepted by this bot can be found here.

Needs approval from an approver in each of these files:

• OWNERS

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[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://softwarefactory-project.io/zuul/t/rdoproject.org/buildset/6429f9e4956740f4846324936bc6767d

✔️ openstack-meta-content-provider SUCCESS in 4h 48m 24s
❌ tcib-crc-podified-edpm-baremetal FAILURE in 1h 33m 52s
❌ tcib-podified-multinode-edpm-deployment-crc TIMED_OUT in 3h 11m 45s