test: un-mark worker syntax error tests as flaky

These tests should be fixed now.

PR-URL: #27705
Reviewed-By: Rich Trott <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>

Author: addaleax

test/parallel/parallel.status

@@ -14,8 +14,6 @@ test-tls-enable-trace-cli: PASS,FLAKY
 
 [$system==win32]
 test-http2-pipe: PASS,FLAKY
-test-worker-syntax-error: PASS,FLAKY
-test-worker-syntax-error-file: PASS,FLAKY
 # https://github.com/nodejs/node/issues/23277
 test-worker-memory: PASS,FLAKY
 # https://github.com/nodejs/node/issues/20750