fix name is not part of old sigs

lbrynet/wallet/transaction.py

@@ -96,7 +96,6 @@ class Output(BaseOutput):
     def is_signed_by(self, channel: 'Output', ledger=None):
         if self.claim.unsigned_payload:
             pieces = [
-                self.claim_name.lower().encode(),
                 Base58.decode(self.get_address(ledger)),
                 self.claim.unsigned_payload,
                 self.claim.signing_channel_hash

tests/integration/test_claim_commands.py

@@ -463,7 +463,6 @@ def generate_signed_legacy(name: str, address: bytes, output: Output):
     ))
     claim.ClearField("publisherSignature")
     digest = sha256(b''.join([
-        name.lower().encode(),
         decoded_address,
         claim.SerializeToString(),
         output.claim_hash