remove "list" typo from deployment file

Documentation/kube-flannel.yml

@@ -110,7 +110,7 @@ spec:
         args:
         - -f
         - /etc/kube-flannel/cni-conf.json
-        - /etc/cni/net.d/10-flannel.conflist
+        - /etc/cni/net.d/10-flannel.conf
         volumeMounts:
         - name: cni
           mountPath: /etc/cni/net.d