code: public Response delete(String topicId, String replyId) throws JinxException {
      JinxUtils.validateParams(topicId, replyId);
      Map<String, String> params = new TreeMap<>();
      params.put("method", "flickr.groups.discuss.replies.delete");
      params.put("topic_id", topicId);
      params.put("reply_id", replyId);
      return jinx.flickrPost(params, Response.class);
    }
docs: Delete a reply from a group topic.
  <br>
  This method requires authentication with 'delete' permission.
  
  @param topicId (Required) The ID of the topic the post is in.
  @param replyId (Required) The ID of the reply to delete.
  @return object with response from Flickr indicating ok or fail.
  @throws JinxException if required parameters are missing, or if there are any errors.
  @see <a href="https://www.flickr.com/services/api/flickr.groups.discuss.replies.delete.html">flickr.groups.discuss.replies.delete</a>