Disable Kubelet read-only port 10255

* We can finally disable the Kubelet read-only port 10255!
* Journey: https://github.com/poseidon/typhoon/issues/322#issuecomment-431073073

bare-metal/fedora-atomic/kubernetes/cloudinit/controller.yaml.tmpl

@@ -51,6 +51,7 @@ write_files:
         --node-labels=node-role.kubernetes.io/master \
         --node-labels=node-role.kubernetes.io/controller="true" \
         --pod-manifest-path=/etc/kubernetes/manifests \
+        --read-only-port=0 \
         --register-with-taints=node-role.kubernetes.io/master=:NoSchedule \
         --volume-plugin-dir=/var/lib/kubelet/volumeplugins"
   - path: /etc/systemd/system/kubelet.path

bare-metal/fedora-atomic/kubernetes/cloudinit/worker.yaml.tmpl

@@ -29,6 +29,7 @@ write_files:
         --network-plugin=cni \
         --node-labels=node-role.kubernetes.io/node \
         --pod-manifest-path=/etc/kubernetes/manifests \
+        --read-only-port=0 \
         --volume-plugin-dir=/var/lib/kubelet/volumeplugins"
   - path: /etc/systemd/system/kubelet.path
     content: |