RFR: 8335357: Delete HotSpotJDKReflection.oopSizeOffset

[Doug Simon]

On Mon, 1 Jul 2024 09:26:09 GMT, Gergö Barany <gbarany at openjdk.org> wrote:

> The jdk.vm.ci.hotspot.HotSpotJDKReflection#oopSizeOffset field exists purely to satisfy a libgraal substitution. The latter is unused and is being removed from Graal in https://github.com/oracle/graal/pull/9217. As such HotSpotJDKReflection#oopSizeOffset can be removed.

Good and trivial.

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Marked as reviewed by dnsimon (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/19966#pullrequestreview-2150935053