test: remove test-gc-http-client from status file

test-gc-http-client is no longer believed to be unreliable. Remove it's
entry indicating it's flaky from the status file.

Closes: #22336

PR-URL: #28130
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Sam Roberts <vieuxtech@gmail.com>
Reviewed-By: Anto Aravinth <anto.aravinth.cse@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

Author: Trott

test/sequential/sequential.status

@@ -5,8 +5,6 @@ prefix sequential
 # sample-test                       : PASS,FLAKY
 
 [true] # This section applies to all platforms
-# https://github.com/nodejs/node/issues/22336
-test-gc-http-client: PASS,FLAKY
 
 [$system==win32]
 # https://github.com/nodejs/node/issues/22327