RFR: 8339783: Implement JEP 479: Remove the Windows 32-bit x86 Port [v11]

[Magnus Ihse Bursie]

On Tue, 29 Oct 2024 16:01:49 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

>> This is the implementation of [JEP 479: _Remove the Windows 32-bit x86 Port_](https://openjdk.org/jeps/479).
>> 
>> This is the summary of JEP 479:
>>> Remove the source code and build support for the Windows 32-bit x86 port. This port was [deprecated for removal in JDK 21](https://openjdk.org/jeps/449) with the express intent to remove it in a future release.
>
> Magnus Ihse Bursie has updated the pull request incrementally with one additional commit since the last revision:
> 
>   IS_WIN64 is never used and can be completely removed

Yeah, this still needs JEP-479 to be targeted, so it some time away from being merged. :-)

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PR Comment: https://git.openjdk.org/jdk/pull/21744#issuecomment-2444716198