Delete unused method rails_root from Util
Delete unused method rails_root from Util

dg1dd1ngs/haml,stanhu/haml,macressler/haml,stanhu/haml,haml/haml,keithpitty/haml,haml/haml,nazar-pc/haml,haml/haml,nazar-pc/haml,macressler/haml,tangposmarvin/haml,sideci-sample/sideci-sample-haml,dg1dd1ngs/haml,amatsuda/haml,keithpitty/haml,haml/haml,tangposmarvin/haml