Remove etcd-proxy from all nodes and use etcd multiaccess

docs/ha-mode.md

inventory/group_vars/all.yml

roles/etcd/handlers/main.yml

roles/etcd/tasks/configure.yml

roles/etcd/tasks/main.yml

roles/etcd/tasks/refresh_config.yml

roles/etcd/templates/deb-etcd-proxy-docker.initd.j2

roles/etcd/templates/deb-etcd-proxy-host.initd.j2

roles/etcd/templates/etcd-proxy-docker.service.j2

roles/etcd/templates/etcd-proxy-host.service.j2

roles/etcd/templates/etcd-proxy.j2

roles/etcd/templates/etcd.j2

...es-apps/ansible/templates/calico-policy-controller.yml.j2

roles/kubernetes/master/tasks/pre-upgrade.yml

...tes/master/templates/manifests/kube-apiserver.manifest.j2

roles/kubernetes/node/templates/cni-calico.conf.j2

roles/kubernetes/preinstall/defaults/main.yml

roles/kubernetes/preinstall/tasks/set_facts.yml

roles/network_plugin/calico/tasks/main.yml

roles/network_plugin/calico/templates/calico-node.service.j2