code: public boolean deleteTemplate(String templateId) throws HelloSignException {
          String url = BASE_URI + TEMPLATE_DELETE_URI + "/" + templateId;
          return HttpURLConnection.HTTP_OK == httpClient.withAuth(auth).post(url).asHttpCode();
      }
docs: Delete the template designated by the template id
  
  @param templateId String template ID
  @return true if the delete was successful, false otherwise
  @throws HelloSignException thrown if there is a problem processing the
  HTTP request