code: private int delete(String urlS) throws IOException {
          URL url = new URL(urlS);
          HttpURLConnection conn = prepareAuthorizedConnection(url);
          conn.setRequestMethod("DELETE");
          conn.connect();
          return conn.getResponseCode();
      }
docs: Sends DELETE HTTP request to provided URL. Request is authorized using Google API key.
  
  @param urlS target URL string