DevHeads.net

Removing obsolete github repositories with module definitions

We have some obsolete github repositories [1] from the f26 and f27 period
we are no longer using. I feel like it might be confusing to people. So I'd
like to remove them all. Any objections?

[1] <a href="https://github.com/modularity-modules/" title="https://github.com/modularity-modules/">https://github.com/modularity-modules/</a>