Created by: wangmiao1981

In the quick start document (http://www.paddlepaddle.org/doc_cn/demo/quick_start/index.html), PaddlePaddle可以读取Python写的传输数据脚本，所有字符都将转换为连续整数表示的Id传给模型

There is extra "Paddle" in the above line. This PR removes the extra Paddle.