cleanup packer image generation process

.gitignore

Makefile

inventories/example/hosts

packer/aio.yml

packer/base.yml

packer/celerity.yml

packer/custom/example.yml

packer/example.json

packer/manager.yml

packer/scripts/cleanup-buster.sh

packer/scripts/reboot.sh

packer/scripts/root.sh

packer/scripts/upgrade-buster.sh

packer/scripts/upgrade.sh

packer/scripts/yml2json

packer/server.yml

packer/worker.yml

roles/conf/defaults/main.yml