RFR: 8365189: Remove LockingMode related code from arm32

[Boris Ulasevich]

On Fri, 15 Aug 2025 12:39:59 GMT, Fredrik Bredberg <fbredberg at openjdk.org> wrote:

> @bulasevich I've run rudimentary tests using QEMU, but it would be nice if you could take it for a spin on real hardware.

Hi. Confirmed on real hardware, works fine. :)

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PR Comment: https://git.openjdk.org/jdk/pull/26795#issuecomment-3210823246