Refactor crypto feature flags #2063

Job	Run time
lint	1m 41s
test_wincrypto (windows-latest, stable)	50s
test (ubuntu-latest, stable)	32s
cargo-deny (aarch64-apple-ios)	20s
test_wincrypto (windows-latest, beta)	51s
test (ubuntu-latest, beta)	32s
cargo-deny (aarch64-linux-android)	19s
test_wincrypto (windows-latest, 1.70.0)	44s
test (ubuntu-latest, 1.65.0)	28s
cargo-deny (i686-pc-windows-gnu)	18s
test (macos-latest, stable)	33s
cargo-deny (i686-pc-windows-msvc)	20s
test (macos-latest, beta)	33s
cargo-deny (i686-unknown-linux-gnu)	22s
test (macos-latest, 1.65.0)	33s
cargo-deny (wasm32-unknown-unknown)	19s
test (windows-latest, stable)	5s
cargo-deny (x86_64-apple-darwin)	22s
test (windows-latest, beta)	6s
cargo-deny (x86_64-apple-ios)	19s
test (windows-latest, 1.65.0)	33s
cargo-deny (x86_64-pc-windows-gnu)	22s
cargo-deny (x86_64-pc-windows-msvc)	18s
cargo-deny (x86_64-unknown-linux-gnu)	18s
cargo-deny (x86_64-unknown-redox)	23s
	12m 1s

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