RFR: 8324765: C2 SuperWord: remove dead code: SuperWord::insert_extracts [v2]

[Emanuel Peter]

On Fri, 26 Jan 2024 19:32:54 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>> Emanuel Peter has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   typo fix by Christian
>>   
>>   Co-authored-by: Christian Hagedorn <christian.hagedorn at oracle.com>
>
> Good.

Thanks for the reviews @vnkozlov @chhagedorn !

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PR Comment: https://git.openjdk.org/jdk/pull/17589#issuecomment-1914075146