fix import

client/src/app.tsx

@@ -11,7 +11,6 @@ import './css/app.css';
 import { MobileContext } from './components/infoview/context';
 import { useMobile } from './hooks';
 import { AUTO_SWITCH_THRESHOLD, getWindowDimensions} from './state/preferences';
-import { connection } from './connection';
 
 export const GameIdContext = React.createContext<string>(undefined);