[code-reflection] RFR: Replace methods "create" in Op subclasses by constructors

[Mourad Abbay]

On Fri, 26 Sep 2025 18:46:41 GMT, Mourad Abbay <mabbay at openjdk.org> wrote:

> By using flexible constructor bodies feature, we get rid of methods "create" in Op subclasses and we replace it with constructors. We also remove unused constructors and methods in Op subclasses.

Babylon tests, ONXX tests and HAT `violajones` example, they all pass.

-------------

PR Comment: https://git.openjdk.org/babylon/pull/584#issuecomment-3348610419