This should allow us to close issue 3065 in Varnish Cache.

The release was part of the VSV early September, and is part of
our LTS series.

Works, need better doc & so on, but a bit of user feedback will help users

ref: https://github.com/varnish/varnish-modules/issues/137

Old install_${PLATFORM} lingers as they are references from previous
releases.

Remove repo.v-c.o reference.

Closes #72