test: remove flaky designation for fixed test

Remove flaky designation for test-worker-eventlooputil fixed in 9dbde1d.

PR-URL: #35961
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Gerhard Stöbich <deb2001-github@yahoo.de>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

test/parallel/parallel.status

@@ -7,8 +7,6 @@ prefix parallel
 [true] # This section applies to all platforms
 # https://github.com/nodejs/node/issues/35881
 test-http2-respond-file-error-pipe-offset: PASS,FLAKY
-# https://github.com/nodejs/node/issues/35844
-test-worker-eventlooputil: PASS,FLAKY
 
 [$system==win32]
 # https://github.com/nodejs/node/issues/20750