message: build: remove sync ts check
diff: @@ -251,7 +251,7 @@ module.exports = {
  plugins: [
  argv.notypecheck
  ? null
  - : new ForkTsCheckerWebpackPlugin({tslint: true, async: false}),
  + : new ForkTsCheckerWebpackPlugin({tslint: true}),
  // Makes some environment variables available in index.html.
  // The public URL is available as %PUBLIC_URL% in index.html, e.g.:
  // <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
  