readme: wysiwyg-color.css is already precompiled

Author: taavo

README.md

@@ -62,14 +62,6 @@ Or just add the ones that you want
 //= require bootstrap-wysihtml5/locales/es-ES
 ```
 
-Rails compiles and minify all stylesheets into a single file. We need `bootstrap-wysihtml5/wysiwyg-color.css` to be available as a single file.
-Modify `config/environments/production.rb` to contain:
-
-``` 
-# Precompile additional assets (application.js, application.css, and all non-JS/CSS are already added)
-config.assets.precompile += %w( bootstrap-wysihtml5/wysiwyg-color.css )
-```
-
 You may need to restart your rails server.
 
 ## Using bootstrap-wysihtml5-rails