[Wiki] Link to spray-json-shapeless is broken

[Nils 'bash0r' Jonsson]

The link is broken aka leads to a 404 not found on GitHub.

https://github.com/milessabin/shapeless/wiki/Built-with-shapeless#spray-json-shapeless

[Miles Sabin]

Thanks. It's a dead project ... I've removed the link.

If you're looking for a high-quality, high-performance, well-maintained json library, I recommend Circe.