test: remove deepStrictEqual() third argument

The call to assert.deepStrictEqual() has a string literal for its third
argument. Unfortunately, a side effect of that is that the values of the
first two arguments are not displayed if there is an AssertionError.
That information is useful for debugging.

PR-URL: #20702
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>

test/parallel/test-net-socket-local-address.js

@@ -17,8 +17,8 @@ const server = net.createServer((socket) => {
 });
 
 server.on('close', common.mustCall(() => {
-  assert.deepStrictEqual(clientLocalPorts, serverRemotePorts,
-                         'client and server should agree on the ports used');
+  // client and server should agree on the ports used
+  assert.deepStrictEqual(clientLocalPorts, serverRemotePorts);
   assert.strictEqual(2, conns);
 }));