test,worker: refactor test-worker-cleanup-handles

* alphabetize require() statements for built-in modules by module name
* remove unused function argument `code` in callback
* replace common.expectsError() with assert.throws()
* remove unneeded line-wrap

PR-URL: https://github.com/nodejs/node/pull/25401


Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>