clean up package.json
clean up package.json

SAGV/buffer,jessetane/buffer,kawanet/buffer,loon3/buffer,feross/buffer,feross/buffer,LiuDeng/buffer,mafintosh/buffer,nolanlawson/buffer,btd/buffer,btd/buffer,loon3/buffer,LiuDeng/buffer,beni55/buffer,beni55/buffer,LinusU/buffer,mafintosh/buffer,kawanet/buffer,feross/buffer,nolanlawson/buffer,SAGV/buffer,LinusU/buffer