Deletes the specified IAM user. Unlike the AWS Management Console, when
you delete a user programmatically, you must delete the items attached
to the user manually, or the deletion fails. For more information, see
Deleting an IAM User.
Before attempting to delete a user, remove the following items:
Usage
iam_delete_user(UserName)
Arguments
UserName
[required] The name of the user to delete.
This parameter allows (through its regex pattern) a string of characters
consisting of upper and lowercase alphanumeric characters with no
spaces. You can also include any of the following characters: \_+=,.@-