docs(babel-standalone): remove bower mention (#6588)
docs(babel-standalone): remove bower mention (#6588)

* docs(babel-standalone): remove bower mention

Since the package won't be downloadable as `@babel/standalone` it's best to just remove it, since it's pretty much deprecated as is. I left the other mention of babel-standalone-bower since I guess that's just the name and still useful in other cases

cc @daniel15 

reported in https://github.com/babel/babel/pull/6495#pullrequestreview-70980926

* Update README.md

kellyselden/babel,kellyselden/babel,jridgewell/babel,chicoxyzzy/babel,vadzim/babel,kaicataldo/babel,jridgewell/babel,existentialism/babel,hulkish/babel,hzoo/babel,babel/babel,Skillupco/babel,kaicataldo/babel,Skillupco/babel,existentialism/babel,hulkish/babel,hzoo/babel,babel/babel,vadzim/babel,kellyselden/babel,babel/babel,hzoo/babel,hulkish/babel,jridgewell/babel,hulkish/babel,chicoxyzzy/babel,samwgoldman/babel,jridgewell/babel,babel/babel,samwgoldman/babel,kaicataldo/babel,hzoo/babel,kaicataldo/babel,chicoxyzzy/babel,existentialism/babel,chicoxyzzy/babel,Skillupco/babel,kellyselden/babel,Skillupco/babel,samwgoldman/babel