In RKE 1.3.8 nginx ingress controller pods failed to run with authorization turned off.
Change-Id: I92f5cdee661a91c05ea8ae1fa2ac6183705a3d1f
Issue-ID: OOM-2948
Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>
 ssh_key_path: "{{ cluster_config_dir }}/cluster_key"
 ssh_cert_path: ""
 ssh_agent_auth: false
-authorization:
-  mode: none
-  options: {}
 ignore_docker_version: false
 kubernetes_version: {{ rke_kubernetes_version }}
 private_registries: []
 
 rancher/nginx-ingress-controller:nginx-1.1.0-rancher1
 rancher/rke-tools:v0.1.80
 rancher/mirrored-flannelcni-flannel:v0.17.0
+rancher/mirrored-ingress-nginx-kube-webhook-certgen:v1.1.1