message: remove extended key signature tests because arbitrary is not correct
diff: @@ -89,20 +89,3 @@ impl SigningAlgorithm for Ed25519Extended {
  ei::Sig(ed25519::signature_extended(msg, &key.0))
  }
  }
  -
  -#[cfg(test)]
  -mod test {
  - use super::*;
  -
  - use crate::key::{KeyPair, PublicKey};
  - use crate::sign::test::{keypair_signing_ko, keypair_signing_ok};
  -
  - quickcheck! {
  - fn sign_ok(input: (KeyPair<Ed25519Extended>, Vec<u8>)) -> bool {
  - keypair_signing_ok(input)
  - }
  - fn sign_ko(input: (KeyPair<Ed25519Extended>, PublicKey<Ed25519Extended>, Vec<u8>)) -> bool {
  - keypair_signing_ko(input)
  - }
  - }
  -}
  