removed contributing section from readme

Author: Bastian Bartmann

README.md

@@ -23,11 +23,3 @@ And add this line to `app/assets/stylesheets/application.css.scss`:
 ## Usage
 
 TODO: Write usage instructions here
-
-## Contributing
-
-1. Fork it
-2. Create your feature branch (`git checkout -b my-new-feature`)
-3. Commit your changes (`git commit -am 'Add some feature'`)
-4. Push to the branch (`git push origin my-new-feature`)
-5. Create new Pull Request