Merge pull request #764 from lachie83/update-calico-docs

update calico docs

Author: seanknox

docs/kubernetes.md

@@ -72,14 +72,7 @@ All VMs are in the same private VNET and are fully accessible to each other.
 
 Using the default configuration, Kubernetes allows communication between all
 Pods within a cluster. To ensure that Pods can only be accessed by authorized
-Pods, a policy enforcement is needed. To enable policy enforcement using Calico
-`azuredeploy.parameters.json` needs to be modified like that:
-
-```json
-"networkPolicy": {
-  "value": "calico"
-}
-```
+Pods, a policy enforcement is needed. To enable policy enforcement using Calico refer to the [cluster definition](https://github.com/Azure/acs-engine/blob/master/docs/clusterdefinition.md#kubernetesconfig) document under networkPolicy. There is also a reference cluster definition available [here](https://github.com/Azure/acs-engine/blob/master/examples/networkpolicy/kubernetes-calico.json).
 
 This will deploy a Calico node controller to every instance of the cluster
 using a Kubernetes DaemonSet. After a successful deployment you should be able