git: openjdk/jdk-sandbox: jep486: Remove left over policy files

[duke]

Changeset: e66d14a1
Branch: jep486
Author:    Alan Bateman <alan.bateman at oracle.com>
Date:      2024-10-19 22:07:30 +0000
URL:       https://git.openjdk.org/jdk-sandbox/commit/e66d14a1438be68901a7a00b75f78816d5fce6fb

Remove left over policy files

- test/jdk/java/io/Serializable/records/empty_security.policy
- test/jdk/java/io/Serializable/subclass/Allow.policy
- test/jdk/java/io/Serializable/subclassGC/security.policy
- test/jdk/java/lang/invoke/7196190/jtreg.security.policy
- test/jdk/java/lang/invoke/getclassloader.policy
- test/jdk/java/lang/invoke/jtreg.security.policy
- test/jdk/java/lang/module/java.policy
- test/jdk/jdk/nio/zipfs/PropertyPermissions.policy
- test/jdk/jdk/nio/zipfs/ZipFSPermissionsTest.policy
- test/jdk/sun/net/www/protocol/jrt/java.policy