message: Remove unnecessary memo
diff: @@ -224,7 +224,6 @@ describe("CosmWasmClient", () => {
  const pen = await Secp256k1Pen.fromMnemonic(faucet.mnemonic);
  const client = CosmWasmClient.makeWritable(httpUrl, faucet.address, signBytes => pen.sign(signBytes));
  - const memo = "My first contract on chain";
  const recipient = makeRandomAddress();
  const transferAmount = [
  {
  @@ -232,7 +231,7 @@ describe("CosmWasmClient", () => {
  amount: "1234567",
  },
  ];
  - const result = await client.sendTokens(recipient, transferAmount, memo);
  + const result = await client.sendTokens(recipient, transferAmount);
  await sleep(50); // wait until tx is indexed
  const txDetails = await new RestClient(httpUrl).txsById(result.transactionHash);
  