RFR: 8343150: Remove URLClassLoader.getPermissions after JEP 486 integration

[Michael McMahon]

On Sun, 17 Nov 2024 04:16:54 GMT, Jaikiran Pai <jpai at openjdk.org> wrote:

> Can I please get a review of this change which removes the `getPermissions()` method from the `URLClassLoader`? This addresses https://bugs.openjdk.org/browse/JDK-8343150.
> 
> With the SecurityManager implementation removed through JEP 486, this method of the `URLClassLoader` is no longer relevant.
> 
> No new tests have been added. tier1 and tier2 testing is currently in progress.

Looks fine.

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Marked as reviewed by michaelm (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/22179#pullrequestreview-2441928120