RFR: 8221708 Update Eclipse project files

[Andy Goryachev]

On Thu, 27 Oct 2022 11:41:27 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

>> I don't see how a closed build will be affected by Eclipse files.
>
> Nor do I. The build doesn't care, and if a developer clones the repo into `rt` after the name is changed to `jfx` it will be no different than someone who clones the repo into, say, `javafx` or `jfx20` or ...

the closed repo is also called jfx, but I withdraw my objection.

If one were to create an eclipse project in the closed repo (if only to use egit UI, for instance), that project must be named differently (closed-jfx for instance) because eclipse cannot have two projects with the same name in the same workspace.  therefore, we can rename the open project to jfx.

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PR: https://git.openjdk.org/jfx/pull/930