Remove support for component

Author: wooorm

readme.md

@@ -10,10 +10,8 @@ Markdown heading as ranges in [**mdast**](https://github.com/wooorm/mdast).
 npm install mdast-util-heading-range
 ```
 
-**mdast-util-heading-range** is also available for
-[component](https://github.com/componentjs/component), and
-[duo](http://duojs.org/#getting-started), and as an AMD, CommonJS, and globals
-module, [uncompressed](mdast-util-heading-range.js) and [compressed](mdast-util-heading-range.min.js).
+**mdast-util-heading-range** is also available for [duo](http://duojs.org/#getting-started),
+and as an AMD, CommonJS, and globals module, [uncompressed](mdast-util-heading-range.js) and [compressed](mdast-util-heading-range.min.js).
 
 ## Table of Contents