Remove double line from rke config

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

@@ -51,13 +51,12 @@ services:
 {% if flexvolume_plugins %}
       volume-plugin-dir: /usr/libexec/kubernetes/kubelet-plugins/volume/exec
 {% endif %}
-      containerized: "true"
     extra_binds:
+    # Make local storage work with persistent volumes that use `subpath`
+    # see https://open.greenhost.net/openappstack/openappstack/issues/236
     - "/:/rootfs:rshared"
 {% if flexvolume_plugins %}
     - /usr/libexec/kubernetes/kubelet-plugins/volume/exec:/usr/libexec/kubernetes/kubelet-plugins/volume/exec
-      # Make local storage work with persistant volumes that use `subpath`
-      # see https://open.greenhost.net/openappstack/openappstack/issues/236
 {% endif %}
     cluster_domain: cluster.local
     infra_container_image: ""