RFR: 8346237: Obsolete the UseOprofile flag

[David Holmes]

On Mon, 9 Jun 2025 11:59:44 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> The `UseOprofile` flag is obsoleted in JDK 26 and so the code associated with it is removed. That means `linux_wrap_code` is dead code and consequently `CodeHeap::on_code_mapping` is also dead code.
>> 
>> Testing:
>>  - tiers 1-3 sanity
>> 
>> Thanks
>
> This comes from JDK-6265868.  Nice to remove this.  Looks like we obsoleted this code a long time ago.

Thanks for the review @coleenp !

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PR Comment: https://git.openjdk.org/jdk/pull/25687#issuecomment-2955605247