Integrated: 8360303: Remove two unused invoke files

[Chen Liang]

On Mon, 23 Jun 2025 22:48:52 GMT, Chen Liang <liach at openjdk.org> wrote:

> sun.invoke.empty.Empty and java.lang.invoke.InvokeDynamic are useless remnants - Empty can be replaced by java.lang.Void, and InvokeDynamic was previously used as a stub for javac to compile signature polymorphic methods. They should be removed as a cleanup.
> 
> Testing: tier 1-3

This pull request has now been integrated.

Changeset: f799cf18
Author:    Chen Liang <liach at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/f799cf180a00c6844a994c651852773a519dff2b
Stats:     79 lines in 4 files changed: 0 ins; 77 del; 2 mod

8360303: Remove two unused invoke files

Reviewed-by: rriggs, jrose

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PR: https://git.openjdk.org/jdk/pull/25944