Remove more unused util methods
Remove more unused util methods

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