Nutshell cleanup wishlist #98

Job	Run time
checks / formatting	23s
checks / mypy	34s
checks / ruff	6s
tests (ubuntu-latest, 3.10, 1.7.1, false, true, FakeWallet) / Run (mint-cache-secrets false, mint-only-deprecated true)	2m 17s
tests (ubuntu-latest, 3.10, 1.7.1, true, false, FakeWallet) / Run (mint-cache-secrets true, mint-only-deprecated false)	1m 59s
tests (ubuntu-latest, 3.10, 1.7.1, false, false, FakeWallet) / Run (mint-cache-secrets false, mint-only-deprecated false)	2m 1s
regtest (3.10, 1.7.1, CoreLightningRestWallet) / regtest	3m 12s
tests (ubuntu-latest, 3.10, 1.7.1, true, true, FakeWallet) / Run (mint-cache-secrets true, mint-only-deprecated true)	2m 18s
regtest (3.10, 1.7.1, LNbitsWallet) / regtest	3m 2s
regtest (3.10, 1.7.1, LndRestWallet) / regtest	2m 59s
	18m 51s

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