RFR: 8355473: Clean up x86 globals/VM_Version after 32-bit x86 removal

[Aleksey Shipilev]

On Thu, 24 Apr 2025 09:15:41 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> This cleanup targets `globals_x86.*` and `vmVersion_x86.*`.
> 
> Additional testing:
>  - [x] Linux x86_64 server fastdebug, `all`

Thank you all!

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PR Comment: https://git.openjdk.org/jdk/pull/24844#issuecomment-2829560663