def delete(key, options = {})
      custom_params = options[:dc] ? use_named_parameter('dc', options[:dc]) : nil
      ret = send_delete_request(@conn, ["/v1/query/#{key}"], options, custom_params)
      ret.status == 200
    end
def delete(key, options = {})
      custom_params = options[:dc] ? use_named_parameter('dc', options[:dc]) : nil
      ret = send_delete_request(@conn, ["/v1/query/#{key}"], options, custom_params)
      ret.status == 200
    end
Delete a prepared query or prepared query template
 @param key [String] the prepared query ID
 @param options [Hash] :dc Consul datacenter to query
 @return [Boolean]