RFR: 8336163: Remove declarations of some debug-only methods in release build [v3]

[Qizheng Xing]

On Thu, 1 Aug 2024 10:51:21 GMT, Eric Liu <eliu at openjdk.org> wrote:

>> Qizheng Xing has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Merge `#ifndef PRODUCT` regions.
>
> Marked as reviewed by eliu (Committer).

@e1iu @dholmes-ora Thanks for the review!

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PR Comment: https://git.openjdk.org/jdk/pull/20131#issuecomment-2264719566