Fix canal's calico networking config for ETCD TLS

Also fixes kube-apiserver upgrade that was erroneously
deleted in a previous commit.

roles/network_plugin/canal/templates/canal-node.yml.j2

@@ -19,10 +19,6 @@ spec:
     spec:
       hostNetwork: true
       volumes:
-        # Used by flannel-server-helper
-        - name: "networkconfig"
-          hostPath:
-            path: "/etc/flannel-network.json"
         # Used by calico/node.
         - name: lib-modules
           hostPath:
@@ -45,29 +41,6 @@ spec:
           hostPath:
             path: /etc/resolv.conf
       containers:
-        - name: "flannel-server-helper"
-          image: "{{ flannel_server_helper_image_repo }}:{{ flannel_server_helper_image_tag }}"
-          env:
-            # Cluster name
-            - name: CLUSTER_NAME
-              valueFrom:
-                configMapKeyRef:
-                  name: canal-config
-                  key: cluster_name
-            # The location of the etcd cluster.
-            - name: FLANNELD_ETCD_ENDPOINTS
-              valueFrom:
-                configMapKeyRef:
-                  name: canal-config
-                  key: etcd_endpoints
-          args:
-            - "--network-config=/etc/flannel-network.json"
-            - "--etcd-prefix=/$(CLUSTER_NAME)/network"
-            - "--etcd-server=$(FLANNELD_ETCD_ENDPOINTS)"
-          volumeMounts:
-            - name: "networkconfig"
-              mountPath: "/etc/flannel-network.json"
-          imagePullPolicy: "Always"
         # Runs the flannel daemon to enable vxlan networking between
         # container hosts.
         - name: flannel