Remove unused code
Remove unused code

Removed left over code from the automagic overlayer
RyanScottLewis/mruby-rubyffi-compat,fundamental/mruby-rubyffi-compat,schmurfy/mruby-rubyffi-compat,RyanScottLewis/mruby-rubyffi-compat,schmurfy/mruby-rubyffi-compat,fundamental/mruby-rubyffi-compat,fundamental/mruby-rubyffi-compat,schmurfy/mruby-rubyffi-compat,RyanScottLewis/mruby-rubyffi-compat