Drop IBM Cloud Private-CE as learning environment

These products don't seem like a good fit for learners.

Author: Tim Bannister

content/en/docs/setup/_index.md

@@ -44,8 +44,6 @@ If you're learning Kubernetes, use the Docker-based solutions: tools supported b
 | [kind (Kubernetes IN Docker)](/docs/setup/learning-environment/kind/) | [Docker Desktop](https://www.docker.com/products/docker-desktop)|
 |                     | [Minishift](https://docs.okd.io/latest/minishift/)|
 |                     | [MicroK8s](https://microk8s.io/)|
-|                     | [IBM Cloud Private-CE (Community Edition)](https://github.com/IBM/deploy-ibm-cloud-private) |
-|                     | [IBM Cloud Private-CE (Community Edition) on Linux Containers](https://github.com/HSBawa/icp-ce-on-linux-containers)|
 
 
 ## Production environment