fixup! Update section for Implementation details.

Author: G8XSU

README.md

@@ -107,7 +107,6 @@ If you encounter any issues or have questions, feel free to open an issue on
 the [GitHub repository](https://github.com/lightningdevkit/vss-server/issues). For further assistance or to discuss the
 development of VSS, you can reach out to us in the [LDK Discord] in the `#vss` channel.
 
-[VSS API contract]: https://github.com/lightningdevkit/vss-server/blob/main/proto/vss.proto
 
 [VSS-rust-client]: https://github.com/lightningdevkit/vss-rust-client