Removed TestnetRelay import from TBTCSystem
Removed import of `TestnetRelay` as it seems to be a leftover from
development. We are not refering to this contract anymore. We use
`IRelay` interface defined in the `@summa-tx/relay-sol` package.
@@ -7,7 +7,6 @@ import {VendingMachine} from "./VendingMachine.sol";
import {DepositFactory} from "../proxy/DepositFactory.sol";
import {IRelay} from "@summa-tx/relay-sol/contracts/Relay.sol";
-import "@summa-tx/relay-sol/contracts/TestnetRelay.sol";
import "../external/IMedianizer.sol";
import {ITBTCSystem} from "../interfaces/ITBTCSystem.sol";
