Update AppImage

AppImage/components/node-metrics-charts.tsx

@@ -78,12 +78,6 @@ export function NodeMetricsCharts() {
   useEffect(() => {
     console.log("[v0] NodeMetricsCharts component mounted")
     fetchMetrics()
-
-    const interval = setInterval(() => {
-      fetchMetrics()
-    }, 60000) // 60 seconds instead of 30 to reduce server load
-
-    return () => clearInterval(interval)
   }, [timeframe])
 
   const fetchMetrics = async () => {