message: remove doctest
diff: @@ -84,14 +84,6 @@ impl XPrv {
  /// Get the associated `XPub`
  ///
  - /// ```
  - /// use ::hdwallet::{XPrv, XPub, Seed};
  - ///
  - /// let seed = Seed::from_bytes([0;32]) ;
  - /// let xprv = XPrv::generate_from_seed(&seed);
  - ///
  - /// let xpub = xprv.public();
  - /// ```
  pub fn public(&self) -> XPub {
  let pk = mk_public_key(&self.as_ref()[0..64]);
  let mut out = [0u8; XPUB_SIZE];
  @@ -102,16 +94,6 @@ impl XPrv {
  /// sign the given message with the `XPrv`.
  ///
  - /// ```
  - /// use cardano::hdwallet::{XPrv, XPub, Signature, Seed};
  - ///
  - /// let seed = Seed::from_bytes([0;32]) ;
  - /// let xprv = XPrv::generate_from_seed(&seed);
  - /// let msg = b"Some message...";
  - ///
  - /// let signature : Signature<String> = xprv.sign(msg);
  - /// assert!(xprv.verify(msg, &signature));
  - /// ```
  pub fn sign<T>(&self, message: &[u8]) -> Signature<T> {
  Signature::from_bytes(signature_extended(message, &self.as_ref()[0..64]))
  }
  @@ -182,17 +164,6 @@ impl XPub {
  /// verify a signature
  ///
  - /// ```
  - /// use ed25519_bip32::{XPrv, XPub, Seed, Signature};
  - ///
  - /// let seed = Seed::from_bytes([0;32]);
  - /// let xprv = XPrv::from_slice()(&seed);
  - /// let xpub = xprv.public();
  - /// let msg = b"Some message...";
  - ///
  - /// let signature : Signature<String> = xprv.sign(msg);
  - /// assert!(xpub.verify(msg, &signature));
  - /// ```
  pub fn verify<T>(&self, message: &[u8], signature: &Signature<T>) -> bool {
  ed25519::verify(message, &self.as_ref()[0..32], signature.as_ref())
  }
  