message: test: remove unused function xor_bytes
diff: @@ -20,10 +20,6 @@ def TaggedHash(tag, data):
  ss += data
  return hashlib.sha256(ss).digest()
  -def xor_bytes(b0, b1):
  - assert len(b0) == len(b1)
  - return bytes(x ^ y for (x, y) in zip(b0, b1))
  -
  def jacobi_symbol(n, k):
  """Compute the Jacobi symbol of n modulo k
  @@ -510,7 +506,7 @@ class TestFrameworkKey(unittest.TestCase):
  if pubkey is not None:
  keys[privkey] = pubkey
  for msg in byte_arrays: # test every combination of message, signing key, verification key
  - for sign_privkey, sign_pubkey in keys.items():
  + for sign_privkey, _ in keys.items():
  sig = sign_schnorr(sign_privkey, msg)
  for verify_privkey, verify_pubkey in keys.items():
  if verify_privkey == sign_privkey:
  