Swap cleanup procedure doesn't make the image any smaller, so removing.  Also clarifying purpose of the final sync
Swap cleanup procedure doesn't make the image any smaller, so removing.  Also clarifying purpose of the final sync

jrosengren/ubuntu,tbfisher/packer-ubuntu,jcarley/ubuntu-vm,njohns-grovo/ubuntu,kenhkan/packer-templates,kontrafiktion/ubuntu,dragon788/ubuntu,njohns-grovo/ubuntu,erikh/ubuntu,samepage-labs/ubuntu,muratayusuke/ubuntu,quarkslab/ubuntu,dragon788/ubuntu,muratayusuke/ubuntu-vm,grafjo/ubuntu,quarkslab/packer-ubuntu,muratayusuke/ubuntu-vm,tbfisher/packer-ubuntu,jpsecher/ubuntu,boxcutter/ubuntu,jrosengren/ubuntu,cmbant/ubuntu,kenhkan/packer-templates,samepage-labs/ubuntu,pro-vagrant/ubuntu,pro-vagrant/ubuntu,jpsecher/ubuntu,grafjo/ubuntu,boxcutter/ubuntu,falconlulu/ubuntu,cmbant/ubuntu,StefanScherer/ubuntu-vm,muratayusuke/ubuntu,NERC-CEH/ubuntu,erikh/ubuntu,falconlulu/ubuntu,flandr/ubuntu,defn/basebox-ubuntu,jcarley/ubuntu-vm,quarkslab/ubuntu,StefanScherer/ubuntu-vm,flandr/ubuntu,NERC-CEH/ubuntu,kontrafiktion/ubuntu,quarkslab/packer-ubuntu