Docs: Update README.md (#3479)
Docs: Update README.md (#3479)

`traverse` is imported but not used.
garyjN7/babel,existentialism/babel,jridgewell/babel,hulkish/babel,hulkish/babel,hzoo/babel,babel/babel,KunGha/babel,antn/babel,kedromelon/babel,shuhei/babel,jchip/babel,PolymerLabs/babel,claudiopro/babel,existentialism/babel,guybedford/babel,kaicataldo/babel,iamchenxin/babel,existentialism/babel,shuhei/babel,kassens/babel,hzoo/babel,bcoe/babel,kedromelon/babel,zjmiller/babel,Skillupco/babel,maurobringolf/babel,kellyselden/babel,vadzim/babel,samwgoldman/babel,samwgoldman/babel,babel/babel,kaicataldo/babel,claudiopro/babel,rmacklin/babel,STRML/babel,maurobringolf/babel,chicoxyzzy/babel,chicoxyzzy/babel,babel/babel,jridgewell/babel,Skillupco/babel,lxe/babel,kellyselden/babel,STRML/babel,zertosh/babel,hulkish/babel,kaicataldo/babel,vadzim/babel,jchip/babel,lxe/babel,jridgewell/babel,kaicataldo/babel,jhen0409/babel,PolymerLabs/babel,Skillupco/babel,tikotzky/babel,kellyselden/babel,ccschneidr/babel,antn/babel,jridgewell/babel,claudiopro/babel,tikotzky/babel,jhen0409/babel,PolymerLabs/babel,zertosh/babel,maurobringolf/babel,guybedford/babel,samwgoldman/babel,garyjN7/babel,kassens/babel,ccschneidr/babel,hzoo/babel,zjmiller/babel,kedromelon/babel,shuhei/babel,hulkish/babel,rmacklin/babel,KunGha/babel,babel/babel,hzoo/babel,iamchenxin/babel,chicoxyzzy/babel,chicoxyzzy/babel,guybedford/babel,bcoe/babel,iamchenxin/babel,kellyselden/babel,Skillupco/babel