simplify "Machine learning" section

README.md

@@ -35,7 +35,7 @@ The goal is to have only projects that are mostly stable and useful to users.
     - [Geospatial](#geospatial)
     - [GUI](#gui)
     - [Image processing](#image-processing)
-    - [Machine Learning and Data Analysis](#machine-learning-and-data-analysis)
+    - [Machine learning](#machine-learning)
     - [Markup language](#markup-language)
     - [Mobile](#mobile)
     - [Network programming](#network-programming)
@@ -360,9 +360,9 @@ See also [http://areweideyet.com/](http://areweideyet.com/) and [Rust and IDEs](
 * [PistonDevelopers/image](https://github.com/PistonDevelopers/image) — Basic imaging processing functions and methods for converting to and from image formats [<img src="https://travis-ci.org/PistonDevelopers/image.svg?branch=master">](https://travis-ci.org/PistonDevelopers/image)
 
 
-### Machine Learning and Data Analysis
-* [autumnai/leaf](https://github.com/autumnai/leaf) - Open Machine Intelligence Framework. [![Build Status](https://travis-ci.org/autumnai/leaf.svg?branch=master)](https://travis-ci.org/autumnai/leaf)
-* [rust-bio/rust-bio](https://github.com/rust-bio/rust-bio) - This library provides implementations of many algorithms and data structures that are useful for bioinformatics. [![Travis](https://img.shields.io/travis/rust-bio/rust-bio.svg?style=flat-square)](https://travis-ci.org/rust-bio/rust-bio)
+### Machine learning
+
+* [autumnai/leaf](https://github.com/autumnai/leaf) - Open Machine Intelligence framework. [![Build Status](https://travis-ci.org/autumnai/leaf.svg?branch=master)](https://travis-ci.org/autumnai/leaf)
 * [maciejkula/rustlearn](https://github.com/maciejkula/rustlearn) - Machine learning crate for Rust. [![Circle CI](https://circleci.com/gh/maciejkula/rustlearn.svg?style=svg)](https://circleci.com/gh/maciejkula/rustlearn)