Remove (unused) debug method in SpendBundle so we can decouple from chia.wallet.util

[AmineKhaldi]

No description provided.

[arvidn]

@Quexington expressed interest in keeping this to be able to print a spend bundle from the debugger.
I'm kind of hoping there is a better solution to this than to mix debugger functionality into the production code, but I'm not familiar enough with pdb to suggest something.

[Quexington]

Yeah as Arvid said (and I've discussed with Amine offline), this function is very helpful when developing new chialisp and you run it alot so even requiring a separate import in pdb is quite a hassle if you have to type from chia.development.debug_spend_bundle import debug_spend_bundle all the time. I agree with the assertion that this should be separated out as much as possible though. Some alternatives I've suggested are: creating just such a module and patching it into the SpendBundle class at test runtime through conftest.py or perhaps creating a new SpendBundle version just in the wallet that subclasses the original and adds this method.

[github-actions]

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