RFR: 8325186: JVMTI VirtualThreadGetThreadStateClosure class is no longer used and should be removed

[Serguei Spitsyn]

On Mon, 25 Mar 2024 19:09:36 GMT, Chris Plummer <cjplummer at openjdk.org> wrote:

> Please update copyright dates.

Need to merge with the main line which has the updated copyright headers. :)

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PR Comment: https://git.openjdk.org/jdk/pull/18341#issuecomment-2019064922