Merge pull request #215 from SrinivasChilveri/update_readme

updated readme

README.md

@@ -88,16 +88,6 @@ example, if you are using [kind cluster](https://github.com/kubernetes-sigs/kind
 try command ```kind load docker-image <image-name>:<tag> ``` for each of the images.
 
 ### 2. Helm charts
-Second, install the required helm plugin and generate valid
-certificate, volcano uses a helm plugin **gen-admission-secret** to
-generate certificate for admission service to communicate with
-kubernetes API server.
-
-```
-#1. Install helm plugin
-helm plugin install installer/chart/plugins/gen-admission-secret
-
-```
 
 Secondly, install helm chart.
 
@@ -118,6 +108,7 @@ NAME                                                READY   STATUS    RESTARTS
 <specified-name>-admission-84fd9b9dd8-9trxn          1/1     Running   0          43s
 <specified-name>-controllers-75dcc8ff89-42v6r        1/1     Running   0          43s
 <specified-name>-scheduler-b94cdb867-89pm2           1/1     Running   0          43s
+<specified-name>--admission-init-qbtmb               0/1     Completed 0          43s
 
 #2. Verify the Services
 # kubectl get services --namespace <namespace>