Remove sentence about super old Docker
@@ -32,9 +32,7 @@ into [Docker Trusted Registry](/datacenter/dtr/2.1/guides/index.md).
## Requirements
-The Registry is compatible with Docker engine **version 1.6.0 or higher**. If
-you really need to work with older Docker versions, you should look into the
-[old python registry](https://github.com/moby/moby-registry).
+The Registry is compatible with Docker engine **version 1.6.0 or higher**.
## TL;DR
