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

[Alex Macdonald]

On Sat, 2 Dec 2023 00:08:00 GMT, Christoph Langer <clanger at openjdk.org> wrote:

>> [JMC-7307](https://bugs.openjdk.org/browse/JMC-7307) moved org.openjdk.jmc.flightrecorder.configuration to core. After that, there are a few plugin related files that are obsolete.
>> 
>> Also, with latest Eclipse there are some changes in the .classpath files that get generated, e.g. when reimporting Maven projects. We should clean this up and unify .classpath files.
>
> Christoph Langer has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Delete application/tests/org.openjdk.jmc.flightrecorder.configuration.test/.project

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.

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Marked as reviewed by aptmac (Reviewer).

PR Review: https://git.openjdk.org/jmc/pull/534#pullrequestreview-1760933284