Nutshell cleanup wishlist #156

Job	Run time
checks / formatting	22s
checks / ruff	8s
checks / mypy	39s
regtest (3.10, 1.7.1, LNbitsWallet) / regtest	3m 25s
regtest (3.10, 1.7.1, LndRestWallet) / regtest	3m 11s
regtest (3.10, 1.7.1, CoreLightningRestWallet) / regtest	3m 33s
tests (ubuntu-latest, 3.10, 1.7.1, true, false, FakeWallet) / Run (mint-cache-secrets true, mint-only-deprecated false)	2m 20s
tests (ubuntu-latest, 3.10, 1.7.1, false, true, FakeWallet) / Run (mint-cache-secrets false, mint-only-deprecated true)	2m 39s
tests (ubuntu-latest, 3.10, 1.7.1, false, false, FakeWallet) / Run (mint-cache-secrets false, mint-only-deprecated false)	2m 23s
tests (ubuntu-latest, 3.10, 1.7.1, true, true, FakeWallet) / Run (mint-cache-secrets true, mint-only-deprecated true)	2m 38s
	21m 18s

Provide feedback