RFR: 8366461: Remove obsolete method handle invoke logic [v8]

[Dean Long]

On Fri, 26 Sep 2025 07:14:08 GMT, Manuel Hässig <mhaessig at openjdk.org> wrote:

>> Dean Long has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   copyright year update
>
> I have one last nit below. Otherwise, this looks good to me.

Thanks @mhaessig for the review.

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PR Comment: https://git.openjdk.org/jdk/pull/27059#issuecomment-3340311259