chore(*): Fix merge issue

Author: dkamburov

src/app/pivot-grid/pivot-grid.sample.html

@@ -15,5 +15,5 @@ <h4>Display Density</h4>
         </igx-buttongroup>
     </div>
     <igx-pivot-grid #grid1 [data]="origData" [width]="'100%'" [height]="'100%'" [pivotConfiguration]="pivotConfigHierarchy"
-     (dimensionsChange)='dimensionChange($event)'>
+     (dimensionsChange)='dimensionChange($event)'></igx-pivot-grid>
 </div>