RFR: 8371321: Remove unused last arg of BarrierSetAssembler::arraycopy_epilogue

[Albert Mingkun Yang]

On Wed, 5 Nov 2025 10:10:02 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> Removing effectively dead code.
> 
> Test: tier1, GHA

Thanks for review.

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PR Comment: https://git.openjdk.org/jdk/pull/28146#issuecomment-3512011561