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/fluentd.yml b/k8s/fluentd.yml
index f275bc1..9cb6071 100644
--- a/k8s/fluentd.yml
+++ b/k8s/fluentd.yml
@@ -35,7 +35,7 @@
       labels:
         app: fluentdactv
       annotations:
-        cni: "weave"
+        cni: "calico"
     spec:
       terminationGracePeriodSeconds: 10
       affinity:
@@ -104,7 +104,7 @@
       labels:
         app: fluentdstby
       annotations:
-        cni: "weave"
+        cni: "calico"
     spec:
       terminationGracePeriodSeconds: 10
       affinity:
@@ -170,7 +170,7 @@
       labels:
         app: fluentd
       annotations:
-        cni: "weave"
+        cni: "calico"
     spec:
       tolerations:
         - key: node-role.kubernetes.io/master