Change k8s network definitions structure.

Change-Id: Ibb460339e4f059efc1da7df587cad5f79a206068
diff --git a/classes/cluster/k8s-ha-calico/kubernetes/compute.yml b/classes/cluster/k8s-ha-calico/kubernetes/compute.yml
index 2b91e0d..476f176 100644
--- a/classes/cluster/k8s-ha-calico/kubernetes/compute.yml
+++ b/classes/cluster/k8s-ha-calico/kubernetes/compute.yml
@@ -20,9 +20,8 @@
         address: ${_param:single_address}
         fail_on_swap: ${_param:kubelet_fail_on_swap}
       network:
-        cnis:
-        - calico
         calico:
+          enabled: true
           image: ${_param:kubernetes_calico_image}
           calicoctl_image: ${_param:kubernetes_calico_calicoctl_image}
           cni_image: ${_param:kubernetes_calico_cni_image}
diff --git a/classes/cluster/k8s-ha-calico/kubernetes/control.yml b/classes/cluster/k8s-ha-calico/kubernetes/control.yml
index 6629e13..26a8608 100644
--- a/classes/cluster/k8s-ha-calico/kubernetes/control.yml
+++ b/classes/cluster/k8s-ha-calico/kubernetes/control.yml
@@ -59,9 +59,8 @@
         ssl:
           enabled: true
       network:
-        cnis:
-        - calico
         calico:
+          enabled: true
           etcd:
             ssl:
               enabled: true