remove reference from README to CONTRIBUTING
The book (which includes the text from README.md) does not need to go into that level of detail.
@@ -53,7 +53,7 @@ Join us and talk about RTFM in the [Matrix room][matrix-room].
[matrix-room]: https://matrix.to/#/!yafYEipFNsXDdwiHMT:matrix.org
## Contributing
-New features and big changes should go through the RFC process in the [dedicated RFC repository][rfcs]. See [CONTRIBUTING.md](CONTRIBUTING.md) for details.
+New features and big changes should go through the RFC process in the [dedicated RFC repository][rfcs].
[rfcs]: https://github.com/rtfm-rs/rfcs
