remove unused file
remove unused file

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