Shuts down and deletes the specified stage (disconnecting all participants). This operation also removes the stageArn
from the associated IngestConfiguration, if there are participants using the IngestConfiguration to publish to the stage.
See https://www.paws-r-sdk.com/docs/ivsrealtime_delete_stage/ for full documentation.
ivsrealtime_delete_stage(arn)
[required] ARN of the stage to be deleted.