test: remove exludes for sea tests on PPC

The referenced issue is closed as having been
fixed, so the tests should run ok. Unexclude them.

Signed-off-by: Michael Dawson <midawson@redhat.com>
PR-URL: #56217
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

test/sequential/sequential.status

@@ -52,14 +52,3 @@ test-watch-mode-inspect: SKIP
 [$arch==s390x]
 # https://github.com/nodejs/node/issues/41286
 test-performance-eventloopdelay: PASS, FLAKY
-
-[$system==linux && $arch==ppc64]
-# https://github.com/nodejs/node/issues/50740
-test-single-executable-application-assets-raw: PASS, FLAKY
-test-single-executable-application-assets: PASS, FLAKY
-test-single-executable-application-disable-experimental-sea-warning: PASS, FLAKY
-test-single-executable-application-empty: PASS, FLAKY
-test-single-executable-application-snapshot-and-code-cache: PASS, FLAKY
-test-single-executable-application-snapshot: PASS, FLAKY
-test-single-executable-application-use-code-cache: PASS, FLAKY
-test-single-executable-application: PASS, FLAKY