Delete duplicate line in api doc
Delete duplicate line in api doc

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