Update README

Removes references to react-accessible-modal as it's not supported anymore.
Also removes references to react-sanfona and rc-modal as it's not really relevant anymore.

Author: vincentaudebert

README.md

@@ -2,12 +2,8 @@
 [![Accessibility status](https://img.shields.io/badge/a11y-tested-brightgreen.svg)](http://wave.webaim.org/report#/https://springload.github.io/react-accessible-accordion/)
 =========
 
-> Accessible Accordion component for React. Inspired by [rc-collapse](https://github.com/react-component/collapse) and [react-sanfona](https://github.com/daviferreira/react-sanfona). :mag::ok_hand:
-
 [Try a demo now](https://springload.github.io/react-accessible-accordion/).
 
-If you like accessible components, feel free to check this other repo [react-accessible-modal](https://github.com/springload/react-accessible-modal).
-
 ## Usage
 
 First, grab the package from npm: