(maint) Remove --compress option from ovftool

The --compress option to ovftool results in a vmdk file that is
exactly the same size as without, and prevents vmware-mount from
being able to read the file.

This change does not appear to result in a file that is any larger.
Merge pull request #243 from shrug/master

(maint) Remove --compress option from ovftool
Merge pull request #242 from klynton/master

Remove puppetlabs repo, fixes TRAINVM-80.
Fixes TRAINVM-73.

Disable the check for updates and telemetry in the training vm.
Merge branch 'master' of https://github.com/puppetlabs/puppetlabs-training-bootstrap

* 'master' of https://github.com/puppetlabs/puppetlabs-training-bootstrap:
  (maint) Remove --compress option from ovftool