remove useless comment
remove useless comment

-var-file allow an HCL file

hashicorp/packer,mitchellh/packer,ricardclau/packer,hashicorp/packer,ricardclau/packer,ricardclau/packer,ricardclau/packer,rnaveiras/packer,mitchellh/packer,ricardclau/packer,pecigonzalo/packer,rnaveiras/packer,pecigonzalo/packer,rnaveiras/packer,hashicorp/packer,mitchellh/packer,rnaveiras/packer,pecigonzalo/packer,mitchellh/packer,pecigonzalo/packer,rnaveiras/packer,rnaveiras/packer,ricardclau/packer,mitchellh/packer,hashicorp/packer