Removes the specified directory as a publisher to the specified SNS topic.
directoryservice_deregister_event_topic(DirectoryId, TopicName)
[required] The Directory ID to remove as a publisher. This directory will no longer send messages to the specified SNS topic.
[required] The name of the SNS topic from which to remove the directory as a publisher.
svc$deregister_event_topic( DirectoryId = "string", TopicName = "string" )