cleanup transpiled files in `make clean` - fixes T7434 [skip ci] (#3528)
cleanup transpiled files in `make clean` - fixes T7434 [skip ci] (#3528)


vadzim/babel,kaicataldo/babel,ccschneidr/babel,Skillupco/babel,hzoo/babel,lxe/babel,guybedford/babel,STRML/babel,shuhei/babel,Skillupco/babel,zjmiller/babel,guybedford/babel,maurobringolf/babel,kassens/babel,jridgewell/babel,PolymerLabs/babel,iamchenxin/babel,babel/babel,chicoxyzzy/babel,Skillupco/babel,maurobringolf/babel,babel/babel,iamchenxin/babel,chicoxyzzy/babel,claudiopro/babel,KunGha/babel,kassens/babel,jridgewell/babel,guybedford/babel,existentialism/babel,kellyselden/babel,zertosh/babel,hulkish/babel,iamchenxin/babel,rmacklin/babel,jchip/babel,rmacklin/babel,zjmiller/babel,shuhei/babel,kedromelon/babel,bcoe/babel,hzoo/babel,tikotzky/babel,STRML/babel,jridgewell/babel,ccschneidr/babel,PolymerLabs/babel,hzoo/babel,Skillupco/babel,zertosh/babel,tikotzky/babel,hulkish/babel,chicoxyzzy/babel,hulkish/babel,kaicataldo/babel,hulkish/babel,kedromelon/babel,kedromelon/babel,jridgewell/babel,lxe/babel,kaicataldo/babel,existentialism/babel,babel/babel,kellyselden/babel,PolymerLabs/babel,existentialism/babel,samwgoldman/babel,claudiopro/babel,samwgoldman/babel,jchip/babel,vadzim/babel,maurobringolf/babel,hzoo/babel,kaicataldo/babel,kellyselden/babel,chicoxyzzy/babel,bcoe/babel,babel/babel,shuhei/babel,garyjN7/babel,kellyselden/babel,KunGha/babel,garyjN7/babel,samwgoldman/babel,claudiopro/babel