RFR: 8334299: Deprecate LockingMode option, along with LM_LEGACY and LM_MONITOR

[David Holmes]

On Fri, 21 Jun 2024 13:19:12 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

> Add LockingMode to the list of deprecated options and add deprecated message for it.
> Tested with tier1-4.

LGTM2

Thanks

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Marked as reviewed by dholmes (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/19827#pullrequestreview-2134705908