### Motivation
While making use of the scripts provided in this repo to prepare helm releases, I noticed that providing the ```-d``` flag (delete namespace) for the ```./scripts/pulsar/cleanup_helm_release.sh``` would always fail claiming that the **namespace already exists**. Upon closer examination, I noticed that the kubectl command to delete the provided namespace is actually attempting to create it instead.
### Modifications
I've gone ahead and made the corresponding modification on the script to delete the namespace (went from ```kubectl create namespace ${namespace}``` to ```kubectl delete namespace ${namespace}```).
### Verifying this change
I'm not sure what possible verifications I can provide for this PR. Please advise.
Official Apache Pulsar Helm Chart
This is the officially supported Helm Chart for installing Apache Pulsar on Kubernetes.
Read Deploying Pulsar on Kubernetes for more details.
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