message: Remove .bin dirs when hoisting up subprojects.
diff: */
  require('shelljs/global');
  const path = require('path');
  +const fs = require('fs');
  const packager = require('electron-packager');
  const dependencyPruner = require('./dependency_pruner');
  const log = console.log.bind(console);
  @@ -74,6 +75,10 @@ function hoistSubprojectsModules(versionedOutputDir, platform) {
  const destDir = path.join(modulesDir, item);
  echo(`Moving ${item} in to ${destDir}`);
  mv(path.join(packagesDir, item), destDir);
  + const binDirPath = path.join(destDir, "node_modules", ".bin");
  + if (fs.existsSync(binDirPath)) {
  + rm('-rf', binDirPath);
  + }
  }
  }
  