Remove the cluster-info (#40)

cluster-info requires more privileges than the minimum required
to interact with tiller, as per https://github.com/kubernetes/helm/blob/master/docs/rbac.md#example-deploy-helm-in-a-namespace-talking-to-tiller-in-another-namespace

assets/common.sh

@@ -43,7 +43,6 @@ setup_kubernetes() {
   fi
 
   kubectl config use-context default
-  kubectl cluster-info
   kubectl version
 }