Removed unused controller file.
Removed unused controller file.

tomash/spree-pp-website-standard,saurabhbhatia/spree-pp-website-standard,leosmeira/spree_pag_seguro,agencyleroy/spree_paytrail,heavenstudio/spree_pag_seguro,heavenstudio/spree_pag_seguro,saurabhbhatia/spree-pp-website-standard,tomash/spree-pp-website-standard,agencyleroy/spree_paytrail,eoy/spree_paytrail