Don't import from ember-cli-htmlbars

Author: NullVoxPopuli

tests/fixtures/typescript/tests/rendering/template-import-test.gts

@@ -1,7 +1,6 @@
 import { module, test } from 'qunit';
 import { setupRenderingTest } from 'ember-qunit';
 import { render } from '@ember/test-helpers';
-import { hbs } from 'ember-cli-htmlbars';
 
 import TemplateImport from '#src/components/template-import.gts';