remove appveyor usage
remove appveyor usage

tb3088/packer,tb3088/packer,mkuzmin/packer,timsutton/packer,paulmey/packer,mkuzmin/packer,dave2/packer,rnaveiras/packer,rnaveiras/packer,grubernaut/packer,tas50/packer,ricardclau/packer,tas50/packer,tb3088/packer,hashicorp/packer,dave2/packer,tas50/packer,hashicorp/packer,tb3088/packer,bryson/packer,youhong316/packer,timsutton/packer,youhong316/packer,pecigonzalo/packer,rnaveiras/packer,grubernaut/packer,mitchellh/packer,grubernaut/packer,pecigonzalo/packer,rnaveiras/packer,mitchellh/packer,tb3088/packer,hashicorp/packer,youhong316/packer,tas50/packer,grubernaut/packer,bryson/packer,mkuzmin/packer,paulmey/packer,hashicorp/packer,mkuzmin/packer,bryson/packer,timsutton/packer,grubernaut/packer,rnaveiras/packer,paulmey/packer,dave2/packer,ricardclau/packer,paulmey/packer,mitchellh/packer,ricardclau/packer,paulmey/packer,dave2/packer,mkuzmin/packer,mkuzmin/packer,ricardclau/packer,timsutton/packer,ricardclau/packer,paulmey/packer,tas50/packer,timsutton/packer,pecigonzalo/packer,youhong316/packer,youhong316/packer,pecigonzalo/packer,youhong316/packer,dave2/packer,rnaveiras/packer,mitchellh/packer,tas50/packer,timsutton/packer,dave2/packer,bryson/packer,tb3088/packer,grubernaut/packer,ricardclau/packer,bryson/packer,bryson/packer,mitchellh/packer