Deletes an existing IAM policy assignment.
quicksight_delete_iam_policy_assignment(AwsAccountId, AssignmentName,
Namespace)
[required] The AWS account ID where you want to delete the IAM policy assignment.
[required] The name of the assignment.
[required] The namespace that contains the assignment.
svc$delete_iam_policy_assignment( AwsAccountId = "string", AssignmentName = "string", Namespace = "string" )