Simplify the helpers for classPrivateField{Get,Set} (#10117)
Simplify the helpers for classPrivateField{Get,Set} (#10117)

No need to do the hash lookup twice. If the descriptor is not in the
WeakMap `get` returns `undefined`.
kaicataldo/babel,babel/babel,babel/babel,kaicataldo/babel,kaicataldo/babel,hzoo/babel,jridgewell/babel,jridgewell/babel,babel/babel,hzoo/babel,jridgewell/babel,hzoo/babel,babel/babel,hzoo/babel,kaicataldo/babel,jridgewell/babel