build: remove unnecessary Makefile output

Remove unnecessary @echo commands from Makefile.

These were originally comments but were changed to @echo in 6bc43aee.
They aren't terribly useful so let's remove them.

PR-URL: https://github.com/nodejs/node/pull/23129


Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>