tls: remove unnecessary set of DEFAULT_MAX_VERSION

This commit removes what looks like an unnecessary setting of
exports.DEFAULT_MAX_VALUE.

PR-URL: #28147
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Sam Roberts <vieuxtech@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

lib/tls.js

@@ -56,8 +56,6 @@ exports.DEFAULT_CIPHERS =
 
 exports.DEFAULT_ECDH_CURVE = 'auto';
 
-exports.DEFAULT_MAX_VERSION = 'TLSv1.3';
-
 if (getOptionValue('--tls-min-v1.0'))
   exports.DEFAULT_MIN_VERSION = 'TLSv1';
 else if (getOptionValue('--tls-min-v1.1'))