This commit modernizes the qa/acceptance (packaging) test framework by
moving away from Vagrant and having the tests operate locally.
As we are migrating to Buildkite, the expectation is that those tests
will run on dedicated vms thus removing the necessity of vagrant.
Relates: https://github.com/elastic/ingest-dev/issues/1722
(cherry picked from commit cebe4a7537)
Co-authored-by: Dimitrios Liappis <dimitrios.liappis@gmail.com>
