[web] Fix cast build

web/apps/cast/src/utils/useCastReceiver.tsx

@@ -38,8 +38,7 @@ const load = (() => {
 
 export const useCastReceiver = () => {
     const [receiver, setReceiver] = useState<Receiver | null>({
-        cast: null,
-        debug: null,
+        cast: null
     });
 
     useEffect(() => {