RFR: 8343824: Remove unused InstructionFlags in C1

[Dean Long]

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

Marked as reviewed by dlong (Reviewer).

-------------

PR Review: https://git.openjdk.org/jdk/pull/21973#pullrequestreview-2424897413