RFR: 8346990: Remove INTX_FORMAT and UINTX_FORMAT macros [v2]

[Kim Barrett]

On Tue, 7 Jan 2025 08:28:32 GMT, Kim Barrett <kbarrett at openjdk.org> wrote:

>> @theRealAph added this with the secondary super cache work, but I think it may have also been meant to be zx because of the leading 0x.  So INTPTR_FORMAT would also work.
>
> I don't think we should be mixing uintx types and UINTPTR_FORMAT like that.  As I said earlier, this is one that
> I think probably ought not be changed at all.  I think some of the FORMAT macros are useful to avoid inline
> format directives that resemble line noise, or ugly conditionals like that.

Improving on my prior suggestion
`"%#.*zx", (2 * BytesPerWord), _secondary_supers_bitmap`
Using precision rather than field width, to avoid needing to account for the prefix in the width calculation.
But still looking a lot like line noise, and still think it shouldn't be changed.

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PR Review Comment: https://git.openjdk.org/jdk/pull/22916#discussion_r1905101674