Update README file

docs/book/src/SUMMARY.md

@@ -12,7 +12,7 @@
   - [Power VS Cluster](./topics/powervs/index.md)
     - [Prerequisites](./topics/powervs/prerequisites.md)
     - [Creating a cluster](./topics/powervs/creating-a-cluster.md)
-    - [External Cloud Provider](./topics/powervs/external-cloud-provider.md)
+    - [Creating a cluster with External Cloud Provider](./topics/powervs/external-cloud-provider.md)
 - [Developer Guide](./developer/index.md)
   - [Rapid iterative development with Tilt](./developer/tilt.md)
   - [Guide for API conversions](./developer/conversion.md)

docs/book/src/topics/powervs/external-cloud-provider.md

@@ -7,9 +7,7 @@
 - The [external cloud provider template](https://github.com/kubernetes-sigs/cluster-api-provider-ibmcloud/blob/main/templates/cluster-template-powervs-cloud-provider.yaml) will use [clusterresourceset](https://cluster-api.sigs.k8s.io/tasks/experimental-features/cluster-resource-set.html) and will create the necessary config map, secret and roles to run the cloud controller manager
 - As a prerequisite set the `powervs-provider-id-fmt` [flag](https://github.com/kubernetes-sigs/cluster-api-provider-ibmcloud/blob/64c9e1d17f1733c721f45a559edba3f4b712bcb0/main.go#L220) with value v2
 
-### Deploy Power VS cluster with IBM Power VS cloud provider based on required usecase
-
-### UseCase 1: Deploy cluster with node initialization support
+### Deploy Power VS cluster with IBM Power VS cloud provider
 
   ```
   IBMPOWERVS_SSHKEY_NAME="my-pub-key" \
@@ -31,31 +29,4 @@
   ```
 
 When the cluster is created with above parameters, The IBM Power VS cloud provider will 
-1. Initialize the node by fetching appropriate VM information such as IP, zone, region from Power Cloud.
-
-### UseCase 2: Deploy cluster with node initialisation and cloud load balancer support
-  ```
-  IBMPOWERVS_SSHKEY_NAME="my-pub-key" \
-  IBMPOWERVS_VIP="192.168.151.22" \
-  IBMPOWERVS_VIP_EXTERNAL="158.175.162.22" \
-  IBMPOWERVS_VIP_CIDR="29" \
-  IBMPOWERVS_IMAGE_NAME="capibm-powervs-centos-8-1-22-4" \
-  IBMPOWERVS_SERVICE_INSTANCE_ID="7845d372-d4e1-46b8-91fc-41051c984601" \
-  IBMPOWERVS_NETWORK_NAME="capi-test-3" \
-  IBMACCOUNT_ID="ibm-accountid" \
-  IBMVPC_RESOURCE_GROUP="powervs-resource-group-name" \
-  IBMVPC_SUBNET_NAMES="subnet-name" \
-  IBMVPC_NAME="vpc-name" \
-  IBMVPC_REGION="vpc-region" \
-  IBMPOWERVS_REGION="powervs-region" \
-  IBMPOWERVS_ZONE="powervs-zone" \
-  BASE64_API_KEY=$(echo -n $IBMCLOUD_API_KEY | base64) \
-  clusterctl generate cluster ibm-powervs-1 --kubernetes-version v1.22.4 \
-  --target-namespace default \
-  --control-plane-machine-count=3 \
-  --worker-machine-count=1 \
-  --from ./cluster-template-powervs-cloud-provider.yaml | kubectl apply -f -
-  ```
-When the cluster is created with above parameters, The IBM Power VS cloud provider will
-1. Initialize the node by fetching appropriate VM information such as IP, zone, region from Power Cloud.
-2. Create a LoadBalancer in IBM VPC whenever there is service of type LoadBalancer is created in cluster.
+1. Initialize the node by fetching appropriate VM information such as IP, zone, region from Power Cloud.