RFR: 8344857: Remove calls to SecurityManager and doPrivileged in SocketExceptions and URLJarFile in the sun.net package after JEP 486 integration

[Michael McMahon]

On Mon, 25 Nov 2024 00:36:40 GMT, Jaikiran Pai <jpai at openjdk.org> wrote:

> Can I please get a review of this change which cleans up the usages of SecurityManager APIs from a couple of `sun.net` packages? This addresses https://bugs.openjdk.org/browse/JDK-8344857.
> 
> No new tests have been added and existing tests in tier1, tier2 and tier3 continue to pass.

LGTM

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Marked as reviewed by michaelm (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/22352#pullrequestreview-2459199377