remove obsolete assertion from negateRR
remove obsolete assertion from negateRR

bgould/avian,badlogic/avian,marcinolawski/avian,badlogic/avian,MaartenR/avian,dicej/avian,marcinolawski/avian,dicej/avian,MaartenR/avian,badlogic/avian,bigfatbrowncat/avian-pack.avian,bgould/avian,joshuawarner32/avian,lostdj/avian,bigfatbrowncat/avian-pack.avian,minor-jason/avian,getlantern/avian,ucdseniordesign/avian,marcinolawski/avian,lwahlmeier/avian,joshuawarner32/avian,ucdseniordesign/avian,minor-jason/avian,bigfatbrowncat/avian-pack.avian,lostdj/avian,dicej/avian,lostdj/avian,joshuawarner32/avian,ucdseniordesign/avian,bgould/avian,getlantern/avian,lwahlmeier/avian,lwahlmeier/avian,lwahlmeier/avian,joshuawarner32/avian,marcinolawski/avian,ucdseniordesign/avian,bgould/avian,getlantern/avian,bigfatbrowncat/avian-pack.avian,minor-jason/avian,badlogic/avian,dicej/avian,lostdj/avian,getlantern/avian,MaartenR/avian,minor-jason/avian,MaartenR/avian