Improve link to Solid server implementations

Author: michielbdejong

README.md

@@ -16,10 +16,7 @@ a [Node Solid Server](https://github.com/solid/node-solid-server/).
 or [solid-auth-fetcher](https://github.com/solid/solid-auth-fetcher) instead,
 which leverage the secure DPoP authentication mechanism
 from the current [Solid specification](https://solid.github.io/authentication-panel/solid-oidc/),
-as implemented by
-the [Community Solid Server](https://github.com/solid/community-server/)
-and
-the [Enterprise Solid Server](https://inrupt.com/products/enterprise-solid-server/).**
+as implemented by [all the various Solid server implementations](https://github.com/solid/test-suite).**
 
 ## Usage
 In the browser, the library is accessible through `solid.auth`: