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

tmpl/ansible/kube-vip.yml

@@ -1,5 +1,3 @@
 ---
-# (string) The interface on the host kube-vip should attach to
-kubevip_interface: "${BOOTSTRAP_KUBE_VIP_INTERFACE}"
 # (string) The ARP address kube-vip broadcasts
 kubevip_address: "${BOOTSTRAP_KUBE_VIP_ADDR}"