test: fix test-net-connect-econnrefused

test/pummel/test-net-connect-econnrefused.js was failing because
`console.log()` resulted in an extra handle being returned by
`process._getActiveHandles()`. Remove the unnecessary `console.log()`.

PR-URL: #25389
Reviewed-By: Beth Griggs <Bethany.Griggs@uk.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

Author: Trott

test/pummel/test-net-connect-econnrefused.js

@@ -34,8 +34,6 @@ let reqs = 0;
 pummel();
 
 function pummel() {
-  console.log('Round', rounds, '/', ROUNDS);
-
   let pending;
   for (pending = 0; pending < ATTEMPTS_PER_ROUND; pending++) {
     net.createConnection(common.PORT).on('error', function(err) {