debugger: remove final lint exceptions in inspect_repl.js

Adding a return when it's not really a getter is kind of misleading, but
so is using a getter for something that doesn't return anything, so
¯\_(ツ)_/¯.

PR-URL: https://github.com/nodejs/node/pull/39078


Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>