remove imports

src/microsoft-trydotnet-editor/src/index.ts

@@ -8,7 +8,6 @@ import './index.css';
 import * as messageBus from './messageBus';
 import * as rxjs from 'rxjs';
 import * as monacoAdapterImpl from './monacoAdapterImpl';
-import { CodeSubmissionReceivedType, CommandCancelledType, CommandFailedType, CommandSucceededType, SubmitCodeType } from '@microsoft/dotnet-interactive';
 
 if (window) {