Update prerequisites.md

Author: derberg

docu/prerequisites.md

@@ -2,10 +2,7 @@
 
 You need to have the following software/modules/applications installed on your computer to be able to complete all the steps of the workshop.
 
-- Install Node.js and NPM: https://nodejs.org/en/download/ (both in one package) and then install:
- - [DocPad](http://docpad.org/) by calling in the terminal: `npm install -g docpad`
- - [Gulp](http://gulpjs.com/) by calling in the terminal: `npm install -g gulp-cli`
- - [Bower](http://bower.io/) by calling in the terminal: `npm install -g bower`
+- Install Node.js and NPM: https://nodejs.org/en/download/ (both in one package),
 - Get GitHub account: https://github.com/
 - Install GitHub Desktop: https://desktop.github.com/ and GitHub CLI: https://git-scm.com/book/en/v2/Getting-Started-Installing-Git
 - Install some nice text editor like [Atom](https://atom.io/) or [Sublime Text](https://www.sublimetext.com/)