MAINT: comment out windows tests
MAINT: comment out windows tests

- these rely on toolsmiths environments, which our concourse no longer
has access to
- we imagine these will be restored in the next few months
- I also fixed the group names to use a supported character (- instead
of /)

[#176375385](https://www.pivotaltracker.com/story/show/176375385)
[#176469072](https://www.pivotaltracker.com/story/show/176469072)

cloudfoundry/cf-deployment,cloudfoundry/cf-deployment