remove yaml code block type

docs/src/snap/howto/storage/cloud.md

@@ -441,7 +441,7 @@ and uses an EBS volume.
 
 First, create a StorageClass and a PersistentVolumeClaim:
 
-```yaml
+```
 sudo k8s kubectl apply -f - <<EOF
 apiVersion: storage.k8s.io/v1
 kind: StorageClass
@@ -471,7 +471,7 @@ Then, you can deploy a pod that uses a volume. Because the StorageClass uses
 the `WaitForFirstConsumer` volume binding mode, you'll only see the volume in
 AWS once the pod is deployed.
 
-```yaml
+```
 sudo k8s kubectl apply -f - <<EOF
 apiVersion: v1
 kind: Pod