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

[Kim Barrett]

On Tue, 7 Jan 2025 08:31:13 GMT, Kim Barrett <kbarrett at openjdk.org> wrote:

>> I fixed this.  This seems ok.  I didn't know about this format option tbh but if it's standard, why not?
>
> I'd forgotten about that format option too, which is why I'm not enamored of it.  Also, written that way the
> prefix gets included in the width when dealing with field width, which might not be great either.

The problem of accounting for the prefix in the field width calculation can be dealt with by using precision
rather than field width.

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PR Review Comment: https://git.openjdk.org/jdk/pull/22916#discussion_r1905104428