Remove docker-related definitions from k8s models.

Docker was replaced by containerd, so cleanup docker things from models.

Related story: PROD-24676

Change-Id: I9e9bb5162602697dcecf24ac4519eecdf4a84521
diff --git a/classes/cluster/k8s-ha-contrail-40/kubernetes/control.yml b/classes/cluster/k8s-ha-contrail-40/kubernetes/control.yml
index 3d55a35..29b9565 100644
--- a/classes/cluster/k8s-ha-contrail-40/kubernetes/control.yml
+++ b/classes/cluster/k8s-ha-contrail-40/kubernetes/control.yml
@@ -2,7 +2,7 @@
 - system.etcd.server.cluster
 - service.kubernetes.control.cluster
 - system.haproxy.proxy.listen.kubernetes.apiserver
-- system.linux.system.repo.docker_legacy
+- system.linux.system.repo.docker
 - system.kubernetes.pool.cluster
 - system.salt.minion.cert.k8s_client
 - system.salt.minion.cert.etcd_client
@@ -41,10 +41,6 @@
         engine: docker_hybrid
       ssl:
         enabled: true
-  docker:
-    host:
-      options:
-        bip: 172.31.255.1/24
   kubernetes:
     pool:
       kubelet: