Remove docs mention of the etcd-network-checkpointer
* etcd-network-checkpointer is no longer used, its a holdover
from the self-hosted etcd era
@@ -334,7 +334,6 @@ kube-system kube-apiserver-7336w 1/1 Running 0
kube-system kube-controller-manager-3271970485-b9chx 1/1 Running 0 11m
kube-system kube-controller-manager-3271970485-v30js 1/1 Running 1 11m
kube-system kube-dns-1187388186-mx9rt 3/3 Running 0 11m
-kube-system kube-etcd-network-checkpointer-q24f7 1/1 Running 0 11m
kube-system kube-proxy-50sd4 1/1 Running 0 11m
kube-system kube-proxy-bczhp 1/1 Running 0 11m
kube-system kube-proxy-mp2fw 1/1 Running 0 11m
