RFR: 8344188: Cleanup sun.net.www.protocol.jar.JarFileFactory after JEP 486 integration

[Daniel Fuchs]

On Fri, 15 Nov 2024 07:56:15 GMT, Eirik Bjørsnøs <eirbjo at openjdk.org> wrote:

> Please review this PR which removes SM permission checking from `s.n.w.p.j.JarFileFactory`.
> 
> This removes the permission checking happening in `JarFileFactory::getCachedJarFile` and also removes the associated private `getPermission` method, (sadly including the cute `// gulp`). The import of `java.security.Permission` is also removed.
> 
> Testing: `test/jdk/sun/net/www/protocol/jar` runs green, GHA results pending.

I ran tier2 in our CI too and didn't spot any failure

-------------

Marked as reviewed by dfuchs (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/22135#pullrequestreview-2438432135