Deprecation phase 2: admin/index ... (#3330)

* Deprecation phase 2: admin/index ...

* Adjust TOCs.

* Add limitrange.

_data/guides.yml

@@ -34,8 +34,6 @@ toc:
 
 - title: Administering Clusters
   section:
-  - docs/admin/index.md
-  - docs/admin/cluster-management.md
   - docs/admin/upgrade-1-6.md
   - docs/admin/kubeadm.md
   - docs/admin/addons.md
@@ -43,15 +41,12 @@ toc:
   - docs/admin/ha-master-gce.md
   - docs/admin/namespaces/index.md
   - docs/admin/namespaces/walkthrough.md
-  - docs/admin/limitrange/index.md
   - docs/admin/etcd.md
   - docs/admin/etcd_upgrade.md
   - title: Changing Cluster Size
     path: https://github.com/kubernetes/kubernetes/wiki/User-FAQ#how-do-i-change-the-size-of-my-cluster/
-  - docs/admin/multiple-schedulers.md
   - title: Setting Up and Configuring DNS
     path: https://github.com/kubernetes/kubernetes/tree/release-1.5/examples/cluster-dns
-  - docs/admin/master-node-communication.md
   - docs/admin/garbage-collection.md
 
 - title: Administering Federation

_data/reference.yml

@@ -56,7 +56,6 @@ toc:
   - title: kubelet
     section:
     - docs/admin/kubelet.md
-    - docs/admin/master-node-communication.md
     - docs/admin/kubelet-tls-bootstrapping.md
     - docs/admin/kubelet-authentication-authorization.md