RFR: 7997: Upgrade to Eclipse 2022-12

Tue Dec 20 12:26:53 UTC 2022

On Tue, 20 Dec 2022 12:20:57 GMT, Virag Purnam <duke at openjdk.org> wrote:

>> Haha. I did 7996 at the same time. :)
>
>> Haha. I did 7996 at the same time. :)
> 
> :) Will take Yours 7996. I will close my PR.

> Wanna take mine or yours @viragpurnam? I also deleted a few old (more than a year old) platforms, and fixed the project files in #460.

Will take yours.. :) Later I will upgrade spifly version to 1.3.6

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PR: https://git.openjdk.org/jmc/pull/459