fix lint

Author: MKirova

projects/igniteui-angular/src/lib/grids/pivot-grid/pivot-grid.module.ts

@@ -2,7 +2,8 @@ import { NgModule, CUSTOM_ELEMENTS_SCHEMA } from '@angular/core';
 import { IgxGridModule } from '../grid/grid.module';
 import { IgxPivotGridComponent } from './pivot-grid.component';
 import { IgxPivotRowComponent } from './pivot-row.component';
-import { IgxPivotRowPipe, IgxPivotColumnPipe, IgxPivotGridFilterPipe, IgxPivotRowExpansionPipe, IgxPivotGridSortingPipe } from './pivot-grid.pipes';
+import { IgxPivotRowPipe, IgxPivotColumnPipe, IgxPivotGridFilterPipe,
+   IgxPivotRowExpansionPipe, IgxPivotGridSortingPipe } from './pivot-grid.pipes';
 import { IgxGridComponent } from '../grid/grid.component';
 import { IgxPivotHeaderRowComponent } from './pivot-header-row.component';