Modifying ONOS configuration to reflect change 12013

Change-Id: I74bebe265b79592321a1f957295e1c0f6a43d4f8
diff --git a/charts/onos.md b/charts/onos.md
index 942f1c0..7e713fb 100644
--- a/charts/onos.md
+++ b/charts/onos.md
@@ -1,20 +1,9 @@
 # Deploy ONOS
 
-## Configurations
-
-The same chart can be used to deploy different flavors of ONOS, depending on
-the configuration applied. These configurations can be found in the
-`helm-charts/configs` directory.
-
-* **onos**: ONOS configured for the CORD scenarios with Trellis (Fabric), VOLTHA,
-  and VTN
-* **no configuration applied**: if no configurations are applied, a generic
-  ONOS instance will be installed
-
-## ONOS with CORD configuration
+To install ONOS run:
 
 ```shell
-helm install -n onos -f configs/onos.yaml onos
+helm install -n onos
 ```
 
 **Nodeports exposed**
@@ -24,29 +13,6 @@
 * REST/UI: 30120
 * Karaf debugger: 30555
 
-## Use VOLTHA-ONOS
-
-_This is intendend for development purposes_
-
-```shell
-helm install -n onos -f configs/onos-voltha.yaml onos
-```
-
-**Nodeports exposed**
-
-* OpenFlow: 31653
-* SSH: 30115
-* REST/UI: 30120
-* Karaf debugger: 30555
-
-## Generic ONOS
-
-```shell
-helm install -n onos onos
-```
-
-**Nodeports exposed**: None
-
 ## ONOS logging
 
 ### `onos-log-agent` Sidecar container
@@ -81,3 +47,9 @@
   log4j.logger.org.opencord.kafka = DEBUG
   log4j.logger.org.opencord.sadis = DEBUG
 ```
+
+A configuration file called *onos-debug.yaml* can be found in the *configs* folder of the helm-chart repository. That already contains examplar lines to augment the ONOS logging level while deploying the ONOS pod. To use the onos-debug configuration, run:
+
+```shell
+helm install -n onos -f configs/onos-debug.yaml onos
+```