remove useless check against format
remove useless check against format

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