Created by: suytingwan

修改 池化 中英文文档 中文页面：http://10.181.196.17:8089/documentation/docs/zh/api_guides/low_level/layers/pooling.html

英文页面：https://www.paddlepaddle.org.cn/documentation/docs/en/api_guides/low_level/layers/pooling_en.html