Remove redundant RuntimeError's
Remove redundant RuntimeError's

k0kubun/byebug,scalp42/byebug,ozydingo/byebug,webdev1001/byebug,guilherme/byebug,miamiruby/byebug,k0kubun/byebug,saisai/byebug,os97673/byebug,icebreaker/byebug,davidmowrer/in_class_projects_t2,saisai/byebug,davidmowrer/in_class_projects_t2,guilherme/byebug,k0kubun/byebug,deivid-rodriguez/byebug,davidmowrer/in_class_projects_t2,yui-knk/byebug,yui-knk/byebug,guilherme/byebug,deivid-rodriguez/byebug,ozydingo/byebug,miamiruby/byebug,yui-knk/byebug,scalp42/byebug,os97673/byebug,webdev1001/byebug,deivid-rodriguez/byebug,icebreaker/byebug