RFR: 8346990: Remove INTX_FORMAT and UINTX_FORMAT macros [v6]

[Kim Barrett]

On Mon, 13 Jan 2025 15:49:15 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> There are a lot of format modifiers that are noisy and unnecessary in the code.  This change removes the INTX variants.  It's not that disruptive even for backporting because %z modifier has been available for a long time so should backport fine.  This was mostly done with a sed script plus some hand fixups.
>> 
>> Testing mach5 and other platform cross compilations in progress.  Opening this for GHA testing.
>
> Coleen Phillimore has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Add Oracle copyright to shenandoah files for this change.

Still good.

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Marked as reviewed by kbarrett (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/22916#pullrequestreview-2547230951