Removed dead links to old getting started guides (kubernetes#17889)

content/en/docs/setup/_index.md

@@ -47,7 +47,6 @@ If you're learning Kubernetes, use the Docker-based solutions: tools supported b
 |                     | [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)|
 |                     | [k3s](https://k3s.io)|
-|                     | [Ubuntu on LXD](/docs/getting-started-guides/ubuntu/)|
 
 
 ## Production environment
@@ -81,8 +80,6 @@ The following production environment solutions table lists the providers and the
 | [Digital Rebar](https://provision.readthedocs.io/en/tip/README.html)            |        |  |      |     |  | ✔
 | [DigitalOcean](https://www.digitalocean.com/products/kubernetes/)        | ✔      |  |      |     |            |
 | [Docker Enterprise](https://www.docker.com/products/docker-enterprise) |       |✔  | ✔     |  |     | ✔
-| [Fedora (Multi Node)](https://kubernetes.io/docs/getting-started-guides/fedora/flannel_multi_node_cluster/)     |      |  |      | |    ✔       | ✔
-| [Fedora (Single Node)](https://kubernetes.io/docs/getting-started-guides/fedora/fedora_manual_config/)     |      |  |      | |           | ✔
 | [Gardener](https://gardener.cloud/) | ✔ | ✔ | ✔ | ✔ | ✔ | [Custom Extensions](https://github.com/gardener/gardener/blob/master/docs/extensions/overview.md) |
 | [Giant Swarm](https://www.giantswarm.io/)     | ✔       | ✔ |   ✔    |     |
 | [Google](https://cloud.google.com/)           |  [Google Kubernetes Engine (GKE)](https://cloud.google.com/kubernetes-engine/)       | [Google Compute Engine (GCE)](https://cloud.google.com/compute/)|[GKE On-Prem](https://cloud.google.com/gke-on-prem/)       |  |  |     |  |      |       |  |