Revert "Merge pull request #619 from pfeiffer/checkboxes"
Revert "Merge pull request #619 from pfeiffer/checkboxes"

This reverts commit 235b89ff145d4b9d15f572f5c5284eca95e99f3e, reversing
changes made to 2223df84aebae0ef822891322cfe2070abbe80c2.

Changes have been retained in the GH-630 branch until we have it passing.

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