Update PlanPage.tsx

Author: Fr4nc3

src/frontend/src/pages/PlanPage.tsx

@@ -44,9 +44,7 @@ const PlanPage: React.FC = () => {
     const [loading, setLoading] = useState<boolean>(true);
     const [submittingChatDisableInput, setSubmitting] = useState<boolean>(false);
     const [error, setError] = useState<Error | null>(null);
-    const [processingSubtaskId, setProcessingSubtaskId] = useState<string | null>(
-        null
-    );
+
     const [planApprovalRequest, setPlanApprovalRequest] = useState<MPlanData | null>(null);
     const [reloadLeftList, setReloadLeftList] = useState(true);
     const [waitingForPlan, setWaitingForPlan] = useState(true);