Update package.json to be compatible with Windows
Update package.json to be compatible with Windows

- Add double-quote to prettier execution.
- Remove the logging output to /dev/null. This does cause a bit more logging to be outputted.
- Closes #1523

BitGo/bitcoinjs-lib,bitcoinjs/bitcoinjs-lib,junderw/bitcoinjs-lib,junderw/bitcoinjs-lib,BitGo/bitcoinjs-lib,bitcoinjs/bitcoinjs-lib