[Infra][Hosts] Remove unnecessary code added for local testing (#191572)

## Summary

Small PR to remove code that was mistakenly merged for local testing.

x-pack/plugins/observability_solution/infra/public/pages/metrics/hosts/hooks/use_hosts_table.tsx

@@ -82,14 +82,6 @@ const buildMetricCell = (
 };
 
 const buildItemsList = (nodes: InfraAssetMetricsItem[]): HostNodeRow[] => {
-  nodes.map((node) => {
-    if (node.name === 'instance') {
-      node.metrics[0].value = 0;
-      node.hasSystemMetrics = true;
-    }
-    return node;
-  });
-
   return nodes.map(({ metrics, metadata, name, alertsCount, hasSystemMetrics }) => {
     const metadataKeyValue = metadata.reduce(
       (acc, curr) => ({