test: remove test-http-max-sockets flaky designation

There is no recent trace of failure for this test.

Fixes: #47116
PR-URL: #54976
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: Jake Yuesong Li <jake.yuesong@gmail.com>

test/sequential/sequential.status

@@ -14,8 +14,6 @@ test-watch-mode-inspect: PASS, FLAKY
 test-http2-large-file: PASS, FLAKY
 
 [$system==win32]
-# https://github.com/nodejs/node/issues/47116
-test-http-max-sockets: PASS, FLAKY
 # https://github.com/nodejs/node/issues/49630
 test-single-executable-application-snapshot: PASS, FLAKY
 test-single-executable-application-snapshot-and-code-cache: PASS, FLAKY