RFR: 8301465: Remove unnecessary nmethod arming in Full GC of Serial/Parallel [v2]

[Albert Mingkun Yang]

On Wed, 1 Feb 2023 09:50:27 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

>> Simple removing unnecessary code and adding API documentation.
>> 
>> Test: hotspot_gc
>
> Albert Mingkun Yang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   review

Thanks for the review.

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PR: https://git.openjdk.org/jdk/pull/12311