In accordance with ironic CI policies, this patch removesi some drivers
that are not tested on upstream or third-party CI
and for which maintainers have not communicated any plans
to have such testing.
This includes:
- virtualbox drivers
- seamicro drivers
- msftocs drivers
Change-Id: Ia3a7d798c877f4628946ee6c56d850b9847e6c3e
Closes-Bug: #1663018