Update setup.md

beginner/chapters/setup.md

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 ## Setup
 
 ### Prerequisites
-There are no specific skills needed for this tutorial beyond a basic comfort with the command line and using a text editor. Prior experience in developing web applications will be helpful but is not required. As you proceed further along the tutorial, we'll make use of [Docker Cloud](https://cloud.docker.com/).
+There are no specific skills needed for this tutorial beyond a basic comfort with the command line and using a text editor. Prior experience in developing web applications will be helpful but is not required. 
 
 ### Setting up your computer
 Getting all the tooling setup on your computer can be a daunting task, but getting Docker up and running on your favorite OS has become very easy.