Update README.md

README.md

 # OpenXG-AUSF
 
 ## Files organization
-```
 - `src/`: Source code and related external libs.
 - `etc/`: Config file.
 - `scripts/`: Build script.
 - `README.md`: Installation guide.
-```
+
 
 ## Installation
 ### Install Libraries
@@ -41,12 +40,6 @@ cd build
 ./ausf -c ../etc/ausf.conf -o -r
 ```
 
-## Libraries required
-- [pistache](http://pistache.io/quickstart)
-- [JSON for Modern C++](https://github.com/nlohmann/json/#integration): Please download the `json.hpp` file and
-put it under the model/nlohmann folder
-- [spdlog]  Copy the source [folder](https://github.com/gabime/spdlog/tree/master/include/spdlog) to your build tree and use a C++11 compiler.
-
 ## Namespaces
 org.openapitools.server.api
 org.openapitools.server.model