RFR: JDK-8314197: AttachListener::pd_find_operation always returning nullptr

[Chris Plummer]

On Mon, 14 Aug 2023 10:13:21 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

> AttachListener::pd_find_operation always returns nullptr and seems to be obsolete, so we could probably remove it and clean up the coding a bit.

Marked as reviewed by cjplummer (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/15265#pullrequestreview-1577250131