RFR: 8365533: Remove outdated jdk.internal.javac package export to several modules from java.base

[ExE Boss]

On Thu, 14 Aug 2025 10:34:59 GMT, Jaikiran Pai <jpai at openjdk.org> wrote:

> Can I please get a review of these change which removes the outdated use of `jdk.internal.javac.ParticipatesInPreview` and the qualified export of `jdk.internal.javac` package? This addresses https://bugs.openjdk.org/browse/JDK-8365533.
> 
> These qualified exports in `java.base` were added in https://bugs.openjdk.org/browse/JDK-8308753 when ClassFile API was in preview. Starting Java 24, ClassFile API is now a part of Java SE. These affected modules don't use any other preview feature, so there's no longer a need to export the `jdk.internal.javac` package to these modules.
> 
> tier1, tier2 and tier3 testing of this change completed without any related failures.

See also <https://github.com/openjdk/jdk/pull/26765> ([JDK‑8365416])

[JDK‑8365416]: https://bugs.openjdk.org/browse/JDK-8365416 "[JDK‑8365416] java.desktop no longer needs preview feature access"

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PR Comment: https://git.openjdk.org/jdk/pull/26776#issuecomment-3188202824