refactor: use simple boolean for parity in signature

crates/primitives/src/lib.rs

@@ -54,7 +54,7 @@ mod signed;
 pub use signed::{BigIntConversionError, ParseSignedError, Sign, Signed};
 
 mod signature;
-pub use signature::{to_eip155_v, Parity, Signature, SignatureError};
+pub use signature::{normalize_v, to_eip155_v, Signature, SignatureError};
 
 pub mod utils;
 pub use utils::{eip191_hash_message, keccak256, Keccak256};

crates/primitives/src/signature/mod.rs

@@ -1,11 +1,8 @@
 mod error;
 pub use error::SignatureError;
 
-mod parity;
-pub use parity::Parity;
-
 mod sig;
 pub use sig::Signature;
 
 mod utils;
-pub use utils::to_eip155_v;
+pub use utils::{normalize_v, to_eip155_v};