RFR: 8278426: ImagePool uses terminally deprecated System.runFinalization method

[Ambarish Rapte]

On Mon, 17 Oct 2022 14:02:52 GMT, Lukasz Kostyra <duke at openjdk.org> wrote:

> This change removes runFinalization calls in ImagePool::pruneCache method.
> 
> Finalizers are deprecated in JDK 18 and will be removed soon.

LGTM. approving.
We can integrate once OCA is verified.

The title of the PR should be derived from bug as=>  `7 digit BUG-ID: BUG-SUMMARY`
So it would look as: `8278426: ImagePool uses terminally deprecated System.runFinalization method`
It is described here in point 3 : [Submitting your changes via a pull request](https://github.com/openjdk/jfx/blob/master/CONTRIBUTING.md#submitting-your-changes-via-a-pull-request)

Alternatively, if you think the bug summary can be re-written using a better statement then you could do so in JBS and then use the updated summary in PR title.

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Marked as reviewed by arapte (Reviewer).

PR: https://git.openjdk.org/jfx/pull/918