RFR: 8302513: remove sun.awt.util.IdentityLinkedList

[Sergey Bylokhov]

On Wed, 15 Feb 2023 00:11:58 GMT, Stuart Marks <smarks at openjdk.org> wrote:

> IdentityLinkedList is used in only one place, so it's fairly simple to replace it with IdentityArrayList.

Looks fine. I assume it was tested by the mach5.

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Marked as reviewed by serb (Reviewer).

PR: https://git.openjdk.org/jdk/pull/12567