Deletes a topic and all its subscriptions.
Deleting a topic might prevent some messages previously sent to the topic from being delivered to
subscribers.

C# |
DeleteTopicResponse DeleteTopic( DeleteTopicRequest request )

- request (DeleteTopicRequest)
- Delete Topic request

Delete Topic Response from the service

This operation is idempotent, so deleting a topic that does not
exist will not result in an error.