RFR: JDK-8267434: Remove LinkOutput[Impl]

[Pavel Rappo]

On Wed, 19 May 2021 23:36:07 GMT, Jonathan Gibbons <jjg at openjdk.org> wrote:

> Please review a trivial patch to remote an unused internal interface and its implementation.
> 
> I've looked as far back as JDK 8, and the code was unused even back then.

Marked as reviewed by prappo (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/4121