Remove RELEASE-VERSION from docs/install/VM (Fix #9637)

The "RELEASE" target type has been untested for sometime.
Instead the "QA" type has always been built and then renamed
on release. For the moment, we'll simplify the configuration
and only use "QA" builds.
Merge pull request #823 from joshmoore/vm-fixes

Remove RELEASE-VERSION from docs/install/VM (Fix #9637)