Upgrade to common-packer

- Enable builder.json
- Relove unused provision scripts
- Update ci-management-packer-jobs
- Update builder.yaml

Change-Id: Ic8a03a30ab02e7e3eaf128f4401ffc53e51a4a46
Issue-ID: CIMAN-33
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
2 files changed