RFR: 8339783: Implement JEP 479: Remove the Windows 32-bit x86 Port [v30]

[Magnus Ihse Bursie]

On Wed, 6 Nov 2024 21:24:14 GMT, Kim Barrett <kbarrett at openjdk.org> wrote:

>> @kimbarrett I added this to https://bugs.openjdk.org/browse/JDK-8343703. You are not as explicit here as the other places you commented that it is okay to do as a follow-up, but I'll assume that was what you meant. If not, let me know, and I'll look at fixing it for this PR already.
>
> The first part, eliminating the (IMO not actually helpful) helper function, I wanted done here.  The second part,
> cleaning up or commenting the calculation of the length and dealing with perhaps unneeded conditionals, I'm
> okay with being in a followup.  I guess I can live with the first part being in that followup too.

Ok, fixed.

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PR Review Comment: https://git.openjdk.org/jdk/pull/21744#discussion_r1834182702