function removeUnnecessaryFiles(buildPath, electronVersion, platform, arch, callback) {
    fs.removeSync(path.join(buildPath, 'src', 'K2'))
    callback();
  }
We don't need the K2 folder anymore since the previous step hard
copied the client-sync package (and its isomorphic-core dependency)
into /internal_packages. The remains of the folder are N1-Cloud
pieces that aren't necessary