Remove whitespace fro ToPublicKey impls

Remove whitspace in `ToPubliKey` trait implementations with no loss of
clarity because the functions all return `*hash`.

Author: tcharding

src/lib.rs

@@ -259,23 +259,17 @@ impl ToPublicKey for bitcoin::PublicKey {
     fn to_public_key(&self) -> bitcoin::PublicKey { *self }
 
     fn to_sha256(hash: &sha256::Hash) -> sha256::Hash { *hash }
-
     fn to_hash256(hash: &hash256::Hash) -> hash256::Hash { *hash }
-
     fn to_ripemd160(hash: &ripemd160::Hash) -> ripemd160::Hash { *hash }
-
     fn to_hash160(hash: &hash160::Hash) -> hash160::Hash { *hash }
 }
 
 impl ToPublicKey for bitcoin::secp256k1::PublicKey {
     fn to_public_key(&self) -> bitcoin::PublicKey { bitcoin::PublicKey::new(*self) }
 
     fn to_sha256(hash: &sha256::Hash) -> sha256::Hash { *hash }
-
     fn to_hash256(hash: &hash256::Hash) -> hash256::Hash { *hash }
-
     fn to_ripemd160(hash: &ripemd160::Hash) -> ripemd160::Hash { *hash }
-
     fn to_hash160(hash: &hash160::Hash) -> hash160::Hash { *hash }
 }
 
@@ -292,11 +286,8 @@ impl ToPublicKey for bitcoin::secp256k1::XOnlyPublicKey {
     fn to_x_only_pubkey(&self) -> bitcoin::secp256k1::XOnlyPublicKey { *self }
 
     fn to_sha256(hash: &sha256::Hash) -> sha256::Hash { *hash }
-
     fn to_hash256(hash: &hash256::Hash) -> hash256::Hash { *hash }
-
     fn to_ripemd160(hash: &ripemd160::Hash) -> ripemd160::Hash { *hash }
-
     fn to_hash160(hash: &hash160::Hash) -> hash160::Hash { *hash }
 }