RFR: 8351493: Revert build changes that are no longer needed

[Magnus Ihse Bursie]

On Thu, 6 Mar 2025 15:38:52 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

> I compared the hermetic-java-runtime branch with mainline, and noticed some old build changes lingering, that are no longer needed. Furthermore, I checked a handful of other files and noticed a few spurious changes that just make the branch differ from mainline for no good reason. I also reverted those.
> 
> With this patch, the difference between hermetic-java-runtime and mainline gets even more minimal.

There were a lot of build failures on GHA, but that seem to be the cause for the hermetic-java-runtime branch even without this patch.

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PR Comment: https://git.openjdk.org/leyden/pull/47#issuecomment-2704596137