Don't show heading for first tab

public/app/features/dashboard/dashgrid/VisualizationTab.tsx

@@ -87,10 +87,11 @@ export class VisualizationTab extends PureComponent<Props> {
 
     let template = '';
     for (let i = 0; i < panelCtrl.editorTabs.length; i++) {
-      template += `
-      <div class="form-section" ng-cloak>
-        <div class="form-section__header">{{ctrl.editorTabs[${i}].title}}</div>
-        <div class="form-section__body">
+      template +=
+        `
+      <div class="form-section" ng-cloak>` +
+        (i > 0 ? `<div class="form-section__header">{{ctrl.editorTabs[${i}].title}}</div>` : '') +
+        `<div class="form-section__body">
           <panel-editor-tab editor-tab="ctrl.editorTabs[${i}]" ctrl="ctrl"></panel-editor-tab>
         </div>
       </div>