clean: Remove unused functions
clean: Remove unused functions

alexanderGugel/engine,sonwh98/engine,redwoodfavorite/engine,infamous/famous-engine,manyoo/engine,yummy222/engine,Morgantheplant/engine,IjzerenHein/engine,steveblue/engine,infamous/engine,tbossert/engine,trusktr/engine,andreaslangsays/engine,aug2uag/engine,codesdk/engine,IjzerenHein/engine,artichox/engine,TheAlphaNerd/engine,avikalpa/engine,Bizboard/engine,andreaslangsays/engine,beni55/engine,beni55/engine,talves/famous-engine,Famous/engine,arunabhdas/engine,yummy222/engine,codesdk/engine,nmai/engine,arunabhdas/engine,Bizboard/engine,CedarLogic/engine,Wanderfalke/engine,huanghjb/engine,Famous/engine,woltemade/engine,TheAlphaNerd/engine,trusktr/engine,steveblue/engine,artichox/engine,mcanthony/engine,noikiy/engine,talves/famous-engine,Wanderfalke/engine,infamous/famous-engine,huanghjb/engine,tbossert/engine,redwoodfavorite/engine,prepare/engine,prepare/engine,alexanderGugel/engine,Morgantheplant/engine,mcanthony/engine,manyoo/engine,CedarLogic/engine,noikiy/engine,infamous/engine,avikalpa/engine,woltemade/engine,nmai/engine,sonwh98/engine,aug2uag/engine