message: Remove extra definition from nullchaincode.
diff: @@ -44,10 +44,6 @@ class NullRuntime implements IRuntime {
  // todo (mdaumi): We might want to buffer signals before transitioning.
  return Promise.reject("Null chaincode should not receive signals");
  }
  -
  - public updateMinSequenceNumber(minimumSequenceNumber: number) {
  - return;
  - }
  }
  export class NullChaincode implements IChaincodeFactory {
  