Fix reference to install-kubeadm docs (#9573)

The install-kubeadm doc has recently been moved from tasks to setup. Fix the references and remove an incorrect redict.

content/en/docs/reference/tools.md

@@ -16,7 +16,7 @@ Kubernetes contains several built-in tools to help you work with the Kubernetes
 
 ## Kubeadm 
 
-[`kubeadm`](/docs/tasks/tools/install-kubeadm/) is the command line tool for easily provisioning a secure Kubernetes cluster on top of physical or cloud servers or virtual machines (currently in alpha).
+[`kubeadm`](/docs/setup/independent/install-kubeadm/) is the command line tool for easily provisioning a secure Kubernetes cluster on top of physical or cloud servers or virtual machines (currently in alpha).
 
 ## Kubefed
 

content/en/docs/setup/independent/setup-ha-etcd-with-kubeadm.md

@@ -26,7 +26,7 @@ when using kubeadm to set up a kubernetes cluster.
 * Some infrastructure to copy files between hosts. For example `ssh` and `scp`
   can satisfy this requirement.
 
-[toolbox]: /docs/tasks/tools/install-kubeadm/
+[toolbox]: /docs/setup/independent/install-kubeadm/
 
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