util: remove redundant declaration

This module is already required in the top scope (Line 3).

PR-URL: nodejs#14199
Reviewed-By: Rich Trott <[email protected]>
Reviewed-By: Refael Ackermann <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Tobias Nießen <[email protected]>
Reviewed-By: Timothy Gu <[email protected]>
Reviewed-By: James M Snell <[email protected]>

lib/internal/util.js

@@ -202,10 +202,8 @@ const kCustomPromisifiedSymbol = Symbol('util.promisify.custom');
 const kCustomPromisifyArgsSymbol = Symbol('customPromisifyArgs');
 
 function promisify(orig) {
-  if (typeof orig !== 'function') {
-    const errors = require('internal/errors');
+  if (typeof orig !== 'function')
     throw new errors.TypeError('ERR_INVALID_ARG_TYPE', 'original', 'function');
-  }
 
   if (orig[kCustomPromisifiedSymbol]) {
     const fn = orig[kCustomPromisifiedSymbol];