remove google analytics & others from docs #1

exampleSite/content/credits.en.md

@@ -16,7 +16,6 @@ Special thanks to [@matcornic](https://github.com/matcornic) for his work on [le
 * [jQuery](https://jquery.com) - The Write Less, Do More, JavaScript Library
 * [jquery-svg-zoom-pan](https://github.com/DanielHoffmann/jquery-svg-pan-zoom) - enable pan and zoom in mermaid graphs
 * [lunr](https://lunrjs.com) - Lunr enables you to provide a great search experience without the need for external, server-side, search services...
-* [horsey](https://bevacqua.github.io/horsey/) - Progressive and customizable autocomplete component
 * [clipboard.js](https://zenorocha.github.io/clipboard.js) - copy text to clipboard
 * [highlight.js](https://highlightjs.org) - Javascript syntax highlighter
 * [modernizr](https://modernizr.com) - A JavaScript toolkit that allows web developers to use new CSS3 and HTML5 features while maintaining a fine level of control over browsers that don't support