VOL-570 : Change network type used by voltha components

- Updated from weave to calico which is the default network type
- Updated ponsim README file
- Removed deprecated data folder

Amendments:

- Change to specific version of kafka/zookeeper
- Added annotations statement to netconf manifest

Change-Id: Ibc8c06f037c275717b5c79b60443b7fd11545405
diff --git a/k8s/single-node/consul.yml b/k8s/single-node/consul.yml
index ec980e8..c07f4dc 100644
--- a/k8s/single-node/consul.yml
+++ b/k8s/single-node/consul.yml
@@ -56,7 +56,7 @@
       labels:
         app: consul
       annotations:
-        cni: "weave"
+        cni: "calico"
     spec:
       terminationGracePeriodSeconds: 10
       containers:
diff --git a/k8s/single-node/fluentd.yml b/k8s/single-node/fluentd.yml
index 8a9c4df..4204787 100644
--- a/k8s/single-node/fluentd.yml
+++ b/k8s/single-node/fluentd.yml
@@ -24,7 +24,7 @@
       labels:
         app: fluentd
       annotations:
-        cni: "weave"
+        cni: "calico"
     spec:
       terminationGracePeriodSeconds: 10
       containers:
diff --git a/k8s/single-node/kafka.yml b/k8s/single-node/kafka.yml
index 2d11968..c11e3dc 100644
--- a/k8s/single-node/kafka.yml
+++ b/k8s/single-node/kafka.yml
@@ -28,7 +28,7 @@
       labels:
         app: kafka
       annotations:
-        cni: "weave"
+        cni: "calico"
     spec:
       terminationGracePeriodSeconds: 10
       containers:
diff --git a/k8s/single-node/netconf.yml b/k8s/single-node/netconf.yml
index 19c188a..1487dc9 100644
--- a/k8s/single-node/netconf.yml
+++ b/k8s/single-node/netconf.yml
@@ -22,6 +22,8 @@
     metadata:
       labels:
         app: netconf
+      annotations:
+        cni: "calico"
     spec:
       terminationGracePeriodSeconds: 10
       containers:
diff --git a/k8s/single-node/ofagent.yml b/k8s/single-node/ofagent.yml
index fc3b45f..ac82f2a 100644
--- a/k8s/single-node/ofagent.yml
+++ b/k8s/single-node/ofagent.yml
@@ -10,7 +10,7 @@
       labels:
         app: ofagent
       annotations:
-        cni: "weave"
+        cni: "calico"
     spec:
       terminationGracePeriodSeconds: 10
       containers:
diff --git a/k8s/single-node/vcli.yml b/k8s/single-node/vcli.yml
index 848bd3a..2784a96 100644
--- a/k8s/single-node/vcli.yml
+++ b/k8s/single-node/vcli.yml
@@ -25,7 +25,7 @@
       labels:
         app: vcli
       annotations:
-        cni: "weave"
+        cni: "calico"
     spec:
       containers:
         - name: vcli
diff --git a/k8s/single-node/vcore_for_consul.yml b/k8s/single-node/vcore_for_consul.yml
index 7494740..6d5c672 100644
--- a/k8s/single-node/vcore_for_consul.yml
+++ b/k8s/single-node/vcore_for_consul.yml
@@ -32,7 +32,7 @@
       labels:
         app: vcore
       annotations:
-        cni: "weave"
+        cni: "calico"
     spec:
       containers:
       - name: voltha
diff --git a/k8s/single-node/vcore_for_etcd.yml b/k8s/single-node/vcore_for_etcd.yml
index 4e306cb..ff579dc 100644
--- a/k8s/single-node/vcore_for_etcd.yml
+++ b/k8s/single-node/vcore_for_etcd.yml
@@ -32,7 +32,7 @@
       labels:
         app: vcore
       annotations:
-        cni: "weave"
+        cni: "calico"
     spec:
       containers:
         - name: voltha
diff --git a/k8s/single-node/zookeeper.yml b/k8s/single-node/zookeeper.yml
index 9ced14a..d28aa39 100644
--- a/k8s/single-node/zookeeper.yml
+++ b/k8s/single-node/zookeeper.yml
@@ -34,7 +34,7 @@
       labels:
         app: zookeeper
       annotations:
-        cni: "weave"
+        cni: "calico"
     spec:
       containers:
       - name: zoo