RFR: 8361705: Clean up KlassCleaningTask

[Albert Mingkun Yang]

On Mon, 14 Jul 2025 10:06:56 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

> Hi all,
> 
>   please review this cleanup of `KlassCleaningTask`, fixing some style issues.
> 
> Testing: gha
> 
> Thanks,
>   Thomas

Marked as reviewed by ayang (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/26289#pullrequestreview-3015847806