[code-reflection] Integrated: Cleaning up HAT/Optkl transformers. Also removed dead transformer code

[Gary Frost]

On Tue, 30 Dec 2025 15:49:13 GMT, Gary Frost <gfrost at openjdk.org> wrote:

> Removed dead transformer experimental code.  
> 
> Closing in on using opttkl.Txfrmr. 
> 
> Moved code down to optkl lib where possible

This pull request has now been integrated.

Changeset: 02dc9acd
Author:    Gary Frost <gfrost at openjdk.org>
URL:       https://git.openjdk.org/babylon/commit/02dc9acd3e9d2f81d16fa9d5e1a3b589f3e212c8
Stats:     2432 lines in 29 files changed: 627 ins; 1754 del; 51 mod

Cleaning up HAT/Optkl transformers. Also removed dead transformer code

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PR: https://git.openjdk.org/babylon/pull/796