Since these images can be used to create multiple machines, they should
not have a unique machine-id attached to them. Replace /etc/machine-id
with an empty file so that it will be regenerated at boot time.
(cherry picked from commit 6fab72d894)
Related: rhbz#1656105
This is similar to the AMI type, but also adds open-vm-tools and does not do
anything special to the partitioning
(cherry picked from commit 1056bfc25b)
Resolves: rhbz#1656105