url: use hasIntl instead of try-catch

Like the other internal modules, we should use `process.binding('config').hasIntl` instead of `try-catch` to make sure `icu` is bonded or not.

Author: watilde

lib/url.js

@@ -1,15 +1,7 @@
 'use strict';
 
-function importPunycode() {
- try {
- return process.binding('icu');
- } catch (e) {
- return require('punycode');
- }
-}
-
-const { toASCII } = importPunycode();
-
+const { toASCII } = process.binding('config').hasIntl ?
+ process.binding('icu') : require('punycode');
 const { StorageObject, hexTable } = require('internal/querystring');
 const internalUrl = require('internal/url');
 exports.parse = urlParse;