VOL-3145 - remove etcd operator usage

- removed dependencies as they are not part of VOLTHA
- removed RBAC config (no longer used)
- put each resources in separate file (best practice)
- added security context for containers (best practice)

Change-Id: If9e250ebe998369cb973561d1406517ea622e670
diff --git a/voltha/values.yaml b/voltha/values.yaml
index 4a84637..ed99cbf 100644
--- a/voltha/values.yaml
+++ b/voltha/values.yaml
@@ -13,9 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-serviceaccount: voltha-serviceaccount
-private_etcd_cluster: true
-private_kafka_cluster: true
 use_ofagent_go: true
 
 # Default Values
@@ -30,40 +27,30 @@
   rw_core:
     timeout: "8000"
 
-# Configure the Kafka sub-chart (if it is used)
-kafka:
-  configurationOverrides:
-    # Increase replication factor along with Replicas for HA
-    "default.replication.factor": 1
-    "offsets.topic.replication.factor": 1
-    "log.retention.hours": 4
-    "log.message.timestamp.type": "LogAppendTime"
-  persistence:
-    enabled: false
-  zookeeper:
-    replicaCount: 1
-    persistence:
-      enabled: false
-  replicas: 1
+securityContext:
+  enabled: true
+  fsGroup: 1001
+  runAsUser: 1001
+  runAsGroup: 1001
 
 # Define connectivity to services on which VOLTHA depends
 services:
   kafka:
     adapter:
-      service: voltha-kafka.voltha.svc.cluster.local
+      service: kafka
       port: 9092
     cluster:
-      service: voltha-kafka.voltha.svc.cluster.local
+      service: kafka
       port: 9092
 
   # Define connectivity to etcd
   etcd:
-    service: voltha-etcd-cluster-client.voltha.svc.cluster.local
+    service: etcd
     port: 2379
 
   # Define the list of controllers to connect to
   controller:
-    - service: onos-openflow.default.svc.cluster.local
+    - service: onos-openflow
       port: 6653
 
 # Expose the golang pprof webserver, if enabled
@@ -79,7 +66,6 @@
   # For everything else replicas are replicas
   ofagent: 1
 
-
 rw_core:
   log_level: '{{ .Values.defaults.log_level }}'
   core_timeout: '{{ .Values.defaults.rw_core.timeout }}'