metropolis/cli/metroctl: dont write hostPort and report correct context

Change-Id: I9ddccf35cf7a1fe7ee839250ceab0925fe8f0138
Reviewed-on: https://review.monogon.dev/c/monogon/+/1811
Reviewed-by: Lorenz Brun <lorenz@monogon.tech>
Tested-by: Jenkins CI
diff --git a/metropolis/handbook/src/ch02-00-local-demo-cluster.md b/metropolis/handbook/src/ch02-00-local-demo-cluster.md
index 50cf22d..69e2e71 100644
--- a/metropolis/handbook/src/ch02-00-local-demo-cluster.md
+++ b/metropolis/handbook/src/ch02-00-local-demo-cluster.md
@@ -121,7 +121,7 @@
 
 The cluster state should be reflected by *kubectl* output:
 ```shell
-kubectl --context=metropolis get nodes
+kubectl --context=metroctl get nodes
 
 NAME                                          STATUS   ROLES    AGE   VERSION
 metropolis-4fb5a2aa4eec34080bea02ac8020028d   Ready    <none>   98m   v1.24.0+mngn