remove packer.json since CircleCI builds the site
remove packer.json since CircleCI builds the site

vamage/consul,vamage/consul,42wim/consul,scalp42/consul,vamage/consul,youhong316/consul,scalp42/consul,hashicorp/consul,kingland/consul,hashicorp/consul,42wim/consul,42wim/consul,hashicorp/consul,youhong316/consul,scalp42/consul,kingland/consul,scalp42/consul,hashicorp/consul,vamage/consul,vamage/consul,youhong316/consul,youhong316/consul,youhong316/consul,42wim/consul,scalp42/consul,42wim/consul,kingland/consul,kingland/consul,kingland/consul