Deletes specified tags from a resource.
See https://www.paws-r-sdk.com/docs/ecs_untag_resource/ for full documentation.
ecs_untag_resource(resourceArn, tagKeys)
[required] The Amazon Resource Name (ARN) of the resource to delete tags from. Currently, the supported resources are Amazon ECS capacity providers, tasks, services, task definitions, clusters, and container instances.
[required] The keys of the tags to be removed.