test: remove unused uncaughtException handler

This has been unused since cbc3ef6.

Refs: nodejs#23053

Author: addaleax

test/pseudo-tty/test-tty-stdout-end.js

@@ -1,10 +1,4 @@
 'use strict';
 const common = require('../common');
 
-process.on('uncaughtException', common.expectsError({
-  code: 'ERR_STDOUT_CLOSE',
-  type: Error,
-  message: 'process.stdout cannot be closed'
-}));
-
 process.stdout.end();