download: remove close calls that are already defered
download: remove close calls that are already defered

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