code: public BaseResponse delTemplate(String templateId) {
          LOG.debug("删除模板......");
          BeanUtil.requireNonNull(templateId, "templateId is null");
          String url = BASE_API_URL + "cgi-bin/template/del_private_template?access_token=#";
          Map<String, String> map = new HashMap<String, String>();
          map.put("template_id", templateId);
          BaseResponse r = executePost(url, JSONUtil.toJson(map));
          String resultJson = isSuccess(r.getErrcode()) ? r.getErrmsg() : r.toJsonString();
          return JSONUtil.toBean(resultJson, BaseResponse.class);
      }
docs: 删除模板
  
  @param templateId 模板ID
  @return 删除结果