RFR: 8309403: Serial: Remove the useless adaptive size policy in GenCollectedHeap [v4]

[Thomas Schatzl]

On Thu, 8 Jun 2023 13:21:34 GMT, Guoxiong Li <gli at openjdk.org> wrote:

>> Hi all,
>> 
>> This patch removes the useless code related to the `AdaptiveSizePolicy` in `GenCollectedHeap`.
>> As a result, the `SoftRefGenPolicy` is unnecessary too, use `SoftRefPolicy` instead.
>> 
>> Thanks for the review.
>> 
>> Best Regards,
>> -- Guoxiong
>
> Guoxiong Li has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Treat INCLUDE_G1GC and INCLUDE_SERIALGC as variables.

Marked as reviewed by tschatzl (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/14296#pullrequestreview-1474905560