RFR: 8343824: Remove unused InstructionFlags in C1

[Vladimir Kozlov]

On Fri, 8 Nov 2024 11:09:27 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

> Hi all,
> 
>   please review this change that removes unused/unreferenced flags from the `Instruction::InstructionFlag` enum for the C1 compiler.
> 
> Testing: gha, tier1-3
> 
> Thanks,
>   Thomas

Good.

Yes, it looks like leftover from JDK 6 development.

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Marked as reviewed by kvn (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/21973#pullrequestreview-2424858930