Don't remove _release folder

Author: davesnx

scripts/make-npm-release.js

@@ -22,9 +22,6 @@ function removeSync(p) {
 const rootFolder = Path.join(__dirname, '..');
 const releaseFolder = Path.resolve(rootFolder, '_release');
 
-removeSync(releaseFolder);
-mkdirpSync(releaseFolder);
-
 for (const fileName of ['README.md', 'LICENSE']) {
   const file = Path.join(rootFolder, fileName);
   const destination = Path.join(releaseFolder, fileName);