RFR: 8346237: Obsolete the UseOprofile flag

[Coleen Phillimore]

On Mon, 9 Jun 2025 02:03:37 GMT, David Holmes <dholmes 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.

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Marked as reviewed by coleenp (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/25687#pullrequestreview-2909850997