test: remove FLAKY status for test-http2-multistream-destroy-on-read-tls

The test does not seem to have failed since the issue was first reported
in 2019.

Closes: #30845

PR-URL: #37533
Fixes: #30845
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

test/parallel/parallel.status

@@ -7,8 +7,6 @@ prefix parallel
 [true] # This section applies to all platforms
 
 [$system==win32]
-# https://github.com/nodejs/node/issues/30845
-test-http2-multistream-destroy-on-read-tls: PASS,FLAKY
 # https://github.com/nodejs/node/issues/20750
 test-http2-pipe: PASS,FLAKY
 # https://github.com/nodejs/node/issues/20750