removing apparently unnecessary user attr_accessor in Ability
removing apparently unnecessary user attr_accessor in Ability

ReaxDev/cancancan,MetricMike/cancancan,tiarly/cancancan,Ahnita/cancancan,roaaangel/cancancan,NelsonScott/cancancan,dima4p/cancancan,macmartine/cancancan-ruby,0612800232/cancan,greenriver/cancan,travis-repos/cancan,jhawthorn/cancancan,gdpelican/cancancan,xbits/cancan,StartupWeekend/cancan,chadzilla2080/cancan,sideci-sample/sideci-sample-cancan,coorasse/cancancan,jackquack/cancan,phallguy/cancancan,moss-zc/cancan,antonifs/cancan,mv288/cancan,dgynn/cancancan,docount/cancan,CanCanCommunity/cancancan,hunterae/cancan,neomadara/cancancan,chadzilla2080/cancancan,mccraigmccraig/cancan,chenxin0723/cancancan,VoroninNick/cancan,mattbrictson/cancan,adamliesko/cancancan,nerde/cancancan,GeorgeZhukov/cancancan,ryanb/cancan,uversity/cancan