Merge pull request #195 from kuke/update_readme_dev

Update readme in DS2

README.md

@@ -2,13 +2,6 @@
 
 ## Installation
 
-### Prerequisites
-
- - **Python = 2.7** only supported;
- - **cuDNN >= 6.0** is required to utilize NVIDIA GPU platform in the installation of PaddlePaddle, and the **CUDA toolkit** with proper version suitable for cuDNN. The cuDNN library below 6.0 is found to yield a fatal error in batch normalization when handling utterances with long duration in inference.
-
-### Setup
-
 ```
 sh setup.sh
 export LD_LIBRARY_PATH=$PADDLE_INSTALL_DIR/Paddle/third_party/install/warpctc/lib:$LD_LIBRARY_PATH