RFR: 8289255: update Eclipse .classpath and other configuration files

[Kevin Rushforth]

On Mon, 27 Jun 2022 23:56:46 GMT, Andy Goryachev <duke at openjdk.org> wrote:

>> Since this is a 3rd-party file, it's probably best to fix it separately the next time we update it, though.
>
> good point.

So given that this is unrelated, please revert this file.

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PR: https://git.openjdk.org/jfx/pull/804