Removing extra apt-get call.
Removing extra apt-get call.

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