feat: remove util.promisify polyfill

Author: jantimon

index.js

@@ -8,8 +8,7 @@
 /** @typedef {import("webpack/lib/Compilation.js")} WebpackCompilation */
 'use strict';
 
-// use Polyfill for util.promisify in node versions < v8
-const promisify = require('util.promisify');
+const promisify = require('util').promisify;
 
 const vm = require('vm');
 const fs = require('fs');

package.json

@@ -57,8 +57,7 @@
     "loader-utils": "^1.2.3",
     "lodash": "^4.17.20",
     "pretty-error": "^2.1.1",
-    "tapable": "^1.1.3",
-    "util.promisify": "1.0.0"
+    "tapable": "^1.1.3"
   },
   "peerDependencies": {
     "webpack": "^5.0.0"