Reduce complexity in ConditionalAssignment
Reduce complexity in ConditionalAssignment

Split `correction_exceeds_line_limit?` into smaller methods and remove
the obsolete `lines_with_numbers`.

meganemura/rubocop,iGEL/rubocop,sue445/rubocop,smakagon/rubocop,pocke/rubocop,jmks/rubocop,savef/rubocop,iGEL/rubocop,petehamilton/rubocop,tdeo/rubocop,akihiro17/rubocop,sue445/rubocop,vergenzt/rubocop,mikegee/rubocop,jmks/rubocop,hanumakanthvvn/rubocop,mikegee/rubocop,bankair/rubocop,tejasbubane/rubocop,maxjacobson/rubocop,akihiro17/rubocop,petehamilton/rubocop,NobodysNightmare/rubocop,akihiro17/rubocop,tdeo/rubocop,mclark/rubocop,panthomakos/rubocop,haziqhafizuddin/rubocop,rrosenblum/rubocop,palkan/rubocop,meganemura/rubocop,rrosenblum/rubocop,dreyks/rubocop,savef/rubocop,alexdowad/rubocop,maxjacobson/rubocop,rtlechow/rubocop,jfelchner/rubocop,hanumakanthvvn/rubocop,maxjacobson/rubocop,tejasbubane/rubocop,lucasuyezu/rubocop,sinsoku/rubocop,b-t-g/rubocop,alexcstark/rubocop,ilansh/rubocop,lucasuyezu/rubocop,bquorning/rubocop,alexdowad/rubocop,jmks/rubocop,sinsoku/rubocop,b-t-g/rubocop,Drenmi/rubocop,scottmatthewman/rubocop,jfelchner/rubocop,bbatsov/rubocop,smakagon/rubocop,vergenzt/rubocop,bbatsov/rubocop,legendetm/rubocop,lumeet/rubocop,NobodysNightmare/rubocop,urbanautomaton/rubocop,rtlechow/rubocop,mikegee/rubocop,lumeet/rubocop,bankair/rubocop,melch/rubocop,jfelchner/rubocop,alexcstark/rubocop,panthomakos/rubocop,deivid-rodriguez/rubocop,pocke/rubocop,deivid-rodriguez/rubocop,tejasbubane/rubocop,tdeo/rubocop,mclark/rubocop,vergenzt/rubocop,backus/rubocop,palkan/rubocop,bquorning/rubocop,Drenmi/rubocop,petehamilton/rubocop,dreyks/rubocop,urbanautomaton/rubocop,scottmatthewman/rubocop,panthomakos/rubocop,legendetm/rubocop,palkan/rubocop,backus/rubocop,melch/rubocop,rrosenblum/rubocop,meganemura/rubocop,ilansh/rubocop,deivid-rodriguez/rubocop,haziqhafizuddin/rubocop,sue445/rubocop,bquorning/rubocop