Remove fdescribe to run all tests

Author: MPopov

projects/igniteui-angular/src/lib/grids/grid/grid.component.spec.ts

@@ -33,7 +33,7 @@ import { setupGridScrollDetection } from '../../test-utils/helper-utils.spec';
 
 const DEBOUNCETIME = 30;
 
-fdescribe('IgxGrid Component Tests', () => {
+describe('IgxGrid Component Tests', () => {
     const MIN_COL_WIDTH = '136px';
     const COLUMN_HEADER_CLASS = '.igx-grid__th';
     const COLUMN_HEADER_GROUP_CLASS = '.igx-grid__thead-item';