message: Remove empty case explicit negative verification
diff: @@ -95,11 +95,7 @@ pub fn ed25519_batch_verify(
  let mut messages = messages.to_vec();
  let mut public_keys = public_keys.to_vec();
  - if messages_len == signatures_len && messages_len == public_keys_len {
  - if messages_len == 0 {
  - // Verifying nothing equals false
  - return Ok(false);
  - }
  + if messages_len == signatures_len && messages_len == public_keys_len { // We're good to go
  } else if messages_len == 1 && signatures_len == public_keys_len {
  if signatures_len == 0 {
  return Err(CryptoError::batch_err(
  