RFR: 8356891: Some code simplifications in BigInteger [v25]

[Raffaello Giulietti]

On Tue, 27 May 2025 21:42:37 GMT, fabioromano1 <duke at openjdk.org> wrote:

>> Some changes in `Biginteger`s' bit operations that increase the code readability and slightly optimize the execution time.
>
> fabioromano1 has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Restore calls to trustedStripLeadingZeroInts(int[])

LGTM.

Thanks for this cleanup.

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Marked as reviewed by rgiulietti (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/25166#pullrequestreview-2874639608