Remove unused ECDSASignature::from_rsv method

Author: kseo

key/src/ecdsa.rs

@@ -68,15 +68,6 @@ impl ECDSASignature {
         self.0[64]
     }
 
-    /// Create a signature object from the sig.
-    pub fn from_rsv(r: &H256, s: &H256, v: u8) -> Self {
-        let mut sig = [0u8; 65];
-        sig[0..32].copy_from_slice(&r);
-        sig[32..64].copy_from_slice(&s);
-        sig[64] = v;
-        ECDSASignature(sig)
-    }
-
     /// Check if this is a "low" signature.
     pub fn is_low_s(&self) -> bool {
         H256::from_slice(self.s()) <= "7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0".into()