Remove xAxis title.

src/operations/balanceChart.component.ts

@@ -27,6 +27,7 @@ class DateRange {
   [description]="''"
   [source]="data"
   [xAxis]="xAxis"
+  [valueAxis]="valueAxis"
   [seriesGroups]="seriesGroups"
   (onRangeSelectionChanged)="select($event)">
 </jqxChart>
@@ -60,6 +61,12 @@ export class BalanceChartComponent implements OnChanges {
     }
   };
 
+  public valueAxis: any = {
+    title: {
+      visible: false
+    },
+  };
+
   public seriesGroups: any = [{
     type: 'stackedcolumn',
     valueAxis: {