Update guides/release/testing/testing-components.md

Co-Authored-By: muziejus <[email protected]>

Author: rwjblue

guides/release/testing/testing-components.md

@@ -285,7 +285,6 @@ Imagine you have the following component that uses a location service to display
 
 ```javascript {data-filename="app/components/location-indicator.js"}
 import Component from '@glimmer/component';
-import { computed } from '@ember/object';
 import { inject as service } from '@ember/service';
 
 export default class LocationIndicatorComponent extends Component {