Removes the metrics-feeder to keep things in sync.

Another temp fix.

client/app/scripts/components/app.js

@@ -122,7 +122,8 @@ export default class App extends React.Component {
   }
 
   render() {
-    const {nodeDetails, controlPipe } = this.state;
+    const { nodeDetails, controlPipe } = this.state;
+    const topCardNode = nodeDetails.last();
     const showingDetails = nodeDetails.size > 0;
     const showingTerminal = controlPipe;
     // width of details panel blocking a view
@@ -160,6 +161,7 @@ export default class App extends React.Component {
           detailsWidth={detailsWidth}
           selectedNodeId={this.state.selectedNodeId}
           topMargin={topMargin}
+          topCardNode={topCardNode}
           selectedMetric={this.state.selectedMetric}
           forceRelayout={this.state.forceRelayout}
           topologyOptions={this.state.activeTopologyOptions}

client/app/scripts/components/node-details/node-details-health-item.js

@@ -1,7 +1,6 @@
 import React from 'react';
 
 import Sparkline from '../sparkline';
-import metricFeeder from '../../hoc/metric-feeder';
 import { formatMetric } from '../../utils/string-utils';
 
 function NodeDetailsHealthItem(props) {
@@ -17,4 +16,4 @@ function NodeDetailsHealthItem(props) {
   );
 }
 
-export default metricFeeder(NodeDetailsHealthItem);
+export default NodeDetailsHealthItem;