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: https://github.com/nodejs/node/pull/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>