Update README.md

clean up stainless links

Author: jacobbednarz

README.md

@@ -6,8 +6,6 @@ This library provides convenient access to the Cloudflare REST API from server-s
 
 The REST API documentation can be found [on developers.cloudflare.com](https://developers.cloudflare.com/api). The full API of this library can be found in [api.md](api.md).
 
-It is generated with [Stainless](https://www.stainlessapi.com/).
-
 ## Installation
 
 ```sh