fix(Toolbar): #1654 Removed the NoOpScrollStrategy import.

Author: gedinakova

projects/igniteui-angular/src/lib/grid/grid-toolbar.component.ts

@@ -15,7 +15,6 @@ import { CsvFileTypes,
          IgxCsvExporterService,
          IgxExcelExporterOptions,
          IgxExcelExporterService,
-         NoOpScrollStrategy,
          CloseScrollStrategy} from '../services/index';
 import { IgxGridAPIService } from './api.service';
 import { IgxGridComponent } from './grid.component';
@@ -34,9 +33,6 @@ export class IgxGridToolbarComponent {
     @Input()
     public gridID: string;
 
-    // @ViewChild(IgxToggleDirective, { read: IgxToggleDirective })
-    // protected toggleDirective: IgxToggleDirective;
-
     @ViewChild('columnHidingDropdown', { read: IgxDropDownComponent })
     public columnHidingDropdown: IgxDropDownComponent;