Nutshell cleanup wishlist #97

Job	Run time
checks / formatting	21s
checks / mypy	38s
checks / ruff	5s
regtest (3.10, 1.7.1, CoreLightningRestWallet) / regtest	3m 15s
regtest (3.10, 1.7.1, LNbitsWallet) / regtest	3m 5s
regtest (3.10, 1.7.1, LndRestWallet) / regtest	3m 9s
tests (ubuntu-latest, 3.10, 1.7.1, true, false, FakeWallet) / Run (mint-cache-secrets true, mint-only-deprecated false)	2m 11s
tests (ubuntu-latest, 3.10, 1.7.1, false, false, FakeWallet) / Run (mint-cache-secrets false, mint-only-deprecated false)	2m 4s
tests (ubuntu-latest, 3.10, 1.7.1, true, true, FakeWallet) / Run (mint-cache-secrets true, mint-only-deprecated true)	2m 33s
tests (ubuntu-latest, 3.10, 1.7.1, false, true, FakeWallet) / Run (mint-cache-secrets false, mint-only-deprecated true)	2m 25s
	19m 46s

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