feat(kube-vip)!: Use auto detection of kube-vip interface (#331)

* Remove kube-vip interface config setting

* Remove kube-vip interface Ansible variable

* Remove kube-vip interface from cluster manifest

* Remove kube-vip interface from Ansible deployment

* Delete checks for consistent kube-vip interface names

* Remove checks task from Ansible role

.config.sample.env

@@ -36,12 +36,6 @@ export BOOTSTRAP_METALLB_TRAEFIK_ADDR=""
 # e.g. age15uzrw396e67z9wdzsxzdk7ka0g2gr3l460e0slaea563zll3hdfqwqxdta
 export BOOTSTRAP_AGE_PUBLIC_KEY=""
 
-# The network interface on the host kube-vip should attach to
-# Look this up on your nodes to verify what NIC to use
-# This name should be the same across your nodes, see:
-# https://github.com/k8s-at-home/template-cluster-k3s/issues/310
-# e.g. eno1
-export BOOTSTRAP_KUBE_VIP_INTERFACE=""
 # The IP Address to use with KubeVIP
 # Pick a unused IP that is on the same network as your nodes
 # and outside the ${BOOTSTRAP_METALLB_LB_RANGE} range