Should use custom layer.

README.md

@@ -2,7 +2,7 @@ This repository stores all the dependency cookbooks of the GitLab cookbook as re
 #### Usage
-* Create a custom layer or use a predefined `Rails app server` layer.
+* Create a custom layer
 * Edit the layer
 * Under `Custom Chef Recipes` supply the url to this repository
 * Under `Setup` write `gitlab::setup` and press the + sign to add