Removes [axios](https://github.com/axios/axios). It's no longer used after updating ancestor dependency [browser-sync](https://github.com/BrowserSync/browser-sync). These dependencies need to be updated together.
Removes `axios`
Updates `browser-sync` from 2.29.3 to 3.0.2
- [Release notes](https://github.com/BrowserSync/browser-sync/releases)
- [Changelog](https://github.com/BrowserSync/browser-sync/blob/master/CHANGELOG.md)
- [Commits](https://github.com/BrowserSync/browser-sync/compare/v2.29.3...v3.0.2)