RFR: 8149: Cleanup project files after JMC-7307 [v2]

[Christoph Langer]

On Sat, 2 Dec 2023 17:58:25 GMT, Alex Macdonald <aptmac at openjdk.org> wrote:

> Thanks for taking a look and cleaning up these files! Looks good to me, pending the update to license years in the build.properties files.

Thanks for reviewing and thanks for the license year check. 😄

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PR Comment: https://git.openjdk.org/jmc/pull/534#issuecomment-1837502279