Nutshell cleanup wishlist #155

Job	Run time
checks / formatting	32s
checks / mypy	43s
checks / ruff	6s
regtest (3.10, 1.7.1, CoreLightningRestWallet) / regtest	3m 32s
regtest (3.10, 1.7.1, LNbitsWallet) / regtest	3m 14s
regtest (3.10, 1.7.1, LndRestWallet) / regtest	3m 19s
tests (ubuntu-latest, 3.10, 1.7.1, true, false, FakeWallet) / Run (mint-cache-secrets true, mint-only-deprecated false)	2m 13s
tests (ubuntu-latest, 3.10, 1.7.1, false, true, FakeWallet) / Run (mint-cache-secrets false, mint-only-deprecated true)	2m 28s
tests (ubuntu-latest, 3.10, 1.7.1, false, false, FakeWallet) / Run (mint-cache-secrets false, mint-only-deprecated false)	2m 10s
tests (ubuntu-latest, 3.10, 1.7.1, true, true, FakeWallet) / Run (mint-cache-secrets true, mint-only-deprecated true)	2m 28s
	20m 45s

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