Merge branch 'remove_traefik_reference' into 'master'

Remove traefik reference (closes #125)

Closes #125

See merge request openappstack/bootstrap!65

ansible/roles/rke_configuration/templates/cluster.yml.j2

@@ -75,7 +75,7 @@ ignore_docker_version: false
 kubernetes_version: "v1.12.5-rancher1-1"
 private_registries: []
 ingress:
-  # Set this to none, so we can install traefik ourselves.
+  # Set this to none, so we can install nginx ourselves.
   provider: none
   options: {}
   node_selector: {}

ansible/roles/setup/files/k8s-config/storage/traefik-storage.yml

-kind: PersistentVolume
-apiVersion: v1
-metadata:
-  name: traefik-pv-acme
-  labels:
-    type: local
-spec:
-  capacity:
-    storage: 10Mi
-  accessModes:
-    - ReadWriteOnce
-  hostPath:
-    path: "/var/local/k8s/traefik-pv-acme"
-    type: DirectoryOrCreate