[code-reflection] Integrated: Drop ClosureOp and ClosureOpCall

[Maurizio Cimadamore]

On Fri, 7 Nov 2025 10:33:18 GMT, Maurizio Cimadamore <mcimadamore at openjdk.org> wrote:

> As we have dropped support for quoted structured lambdas, the corresponding code model `ClosureOp` is no longer used and can be removed as well. That also drags `ClosureOpCall`, as that op is only used to call closure ops. And the related `TestClosureOps` test.
> 
> I didn't find any occurence of the removed class in examples/HAT.

This pull request has now been integrated.

Changeset: 1cf6beff
Author:    Maurizio Cimadamore <mcimadamore at openjdk.org>
URL:       https://git.openjdk.org/babylon/commit/1cf6beff745507302fafd4b4c2155f03374193cc
Stats:     315 lines in 4 files changed: 0 ins; 315 del; 0 mod

Drop ClosureOp and ClosureOpCall

Reviewed-by: psandoz

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PR: https://git.openjdk.org/babylon/pull/668