rm example documents about unsupported block volume

examples/README.md

@@ -48,14 +48,3 @@ rbd-pvc-snapshot   6s
 
 To be sure everything is OK you can run `rbd snap ls [your-pvc-name]` inside one of your Ceph pod.
 
-## How to test RBD Block Volume
-
-Before continuing, make sure you enabled the required [feature gate](https://kubernetes-csi.github.io/docs/raw-block.html#usage) in your Kubernetes cluster.
-
-In order to create a PVC in Block mode, you need to specify `volumeMode: Block` in the PVC spec.
-In the `examples/rbd` directory, you can test RBD block volume by running:
-
-```bash
-kubectl create -f pvc-block.yaml
-kubectl create -f pod-block.yaml
-```

examples/rbd/pod-block.yaml

@@ -1,16 +0,0 @@
-apiVersion: v1
-kind: Pod
-metadata:
-  name: csirbd-block-pod
-spec:
-  containers:
-   - name: web-server
-     image: nginx
-     volumeDevices:
-       - name: data
-         devicePath: /dev/vda 
-  volumes:
-   - name: data
-     persistentVolumeClaim:
-       claimName: rbd-block-pvc
-       readOnly: false

examples/rbd/pvc-block.yaml

@@ -1,12 +0,0 @@
-apiVersion: v1
-kind: PersistentVolumeClaim
-metadata:
-  name: rbd-block-pvc
-spec:
-  volumeMode: Block
-  accessModes:
-  - ReadWriteOnce
-  resources:
-    requests:
-      storage: 1Gi
-  storageClassName: csi-rbd