removed some Rails 2 stuff from formtastic/util.rb
removed some Rails 2 stuff from formtastic/util.rb

ryanfox1985/formtastic,Davidzhu001/formtastic,EndingChaung/formtastic,Guestfolio/formtastic,ConferenceCloud/formtastic,EndingChaung/formtastic,paulodiovani/formtastic,ConferenceCloud/formtastic,nishaya/formtastic,Guestfolio/formtastic,justinfrench/formtastic,thenthen8515/formtastic,justinfrench/formtastic,nishaya/formtastic,Baltazore/formtastic,crashlytics/formtastic,ryanfox1985/formtastic,justinfrench/formtastic,Davidzhu001/formtastic,paulodiovani/formtastic,mikz/formtastic,sideci-sample/sideci-sample-formtastic,mikz/formtastic,thenthen8515/formtastic,ryanfox1985/formtastic