feat!: replace calico with cilium (#740)

tmpl/kubernetes/flux/cluster-settings.yaml

@@ -6,7 +6,6 @@ metadata:
   namespace: flux-system
 data:
   TIMEZONE: "${BOOTSTRAP_TIMEZONE}"
-  KUBE_VIP_ADDR: "${BOOTSTRAP_KUBE_VIP_ADDR}"
   METALLB_LB_RANGE: "${BOOTSTRAP_METALLB_LB_RANGE}"
   METALLB_K8S_GATEWAY_ADDR: "${BOOTSTRAP_METALLB_K8S_GATEWAY_ADDR}"
   METALLB_INGRESS_ADDR: "${BOOTSTRAP_METALLB_INGRESS_ADDR}"