remove unnecessary spacing

Author: MatteoVH

src/material-experimental/mdc-chips/testing/chip-harness.ts

@@ -7,7 +7,6 @@
  */
 
 import {ComponentHarness, HarnessPredicate, TestKey} from '@angular/cdk/testing';
-
 import {ChipHarnessFilters} from './chip-harness-filters';
 
 /** Harness for interacting with a mat-chip in tests. */