test: remove test-worker-memory flaky designation

Judging from https://github.com/nodejs/reliability/issues, this hasn't
failed in CI since November 2021.

Closes: nodejs#23277

PR-URL: nodejs#41867
Fixes: nodejs#23277
Reviewed-By: Tobias Nießen <[email protected]>
Reviewed-By: Mestery <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Benjamin Gruenbaum <[email protected]>

Author: Trott

test/parallel/parallel.status

@@ -11,8 +11,6 @@ test-repl-sigint-nested-eval: PASS, FLAKY
 [$system==win32]
 # https://github.com/nodejs/node/issues/24497
 test-timers-immediate-queue: PASS,FLAKY
-# https://github.com/nodejs/node/issues/23277
-test-worker-memory: PASS,FLAKY
 # https://github.com/nodejs/node/issues/41206
 test-crypto-keygen: PASS,FLAKY
 # https://github.com/nodejs/node/issues/41201