docs: def unattach_issue(context, id, issue_id):
      """unattach_issue(context, id, issue_id)
  
      Unattach an issue from a job.
  
      >>> dcictl job-unattach-issue [OPTIONS]
  
      :param string id: ID of the job to attach the issue to [required]
      :param string issue_id: ID of the issue to unattach from the job [required]
      """
  
      result = job.unattach_issue(context, id=id, issue_id=issue_id)
      if result.status_code == 204:
          utils.print_json({'id': id, 'message': 'Issue unattached.'})
      else:
          utils.format_output(result, context.format)