message: Remove electron-rebuild.
diff: "electron": "1.7.2",
  "electron-builder": "19.13.0",
  "electron-mocha": "4.0.0",
  - "electron-rebuild": "1.5.11",
  "enzyme": "2.9.1",
  "mkdirp": "0.5.1",
  "mocha": "3.4.2",
  },
  "scripts": {
  "preinstall": "npm prune",
  - "postinstall": "electron-rebuild",
  + "postinstall": "electron-builder install-app-deps",
  "pack": "npm run compile && build",
  "release": "build --publish always --draft=false",
  "electron": "electron .",
  