RFR: 8340326: Remove references to Applet in core-libs/security tests [v2]

[Justin Lu]

On Wed, 25 Sep 2024 21:36:54 GMT, Naoto Sato <naoto at openjdk.org> wrote:

> Removing `test/jdk/java/util/TimeZone/DefaultTimeZoneTest.*` looks good to me. It's a manual test that involves underlying OS settings manipulation which cannot be automated.

As we previously spoke offline, I did not think there was much value in preserving the test. 
However, I realize it is a unique test that does validate that the runtime detects the "Automatically adjust clock for daylight saving changes" setting correctly on Windows. I preserved it and replaced the `Applet` overhead with `PassFailJFrame` in the most recent commit. Not sure if it will be ran by anyone as it is manual, but at least we can verify the setting if needed and the test history is preserved.

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PR Comment: https://git.openjdk.org/jdk/pull/21096#issuecomment-2375345354