tls: update try catch syntax

try catch syntax allows elimination of function arguments
so removed unused err argument

PR-URL: #23484
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>

Author: UNLRN

lib/tls.js

@@ -176,7 +176,7 @@ exports.checkServerIdentity = function checkServerIdentity(hostname, cert) {
         let uri;
         try {
           uri = new URL(name.slice(4));
-        } catch (err) {
+        } catch {
           uri = url.parse(name.slice(4));
           if (!urlWarningEmitted && !process.noDeprecation) {
             urlWarningEmitted = true;