Remove load tests

Author: NullVoxPopuli

tests/test-helper.js

@@ -1,5 +1,4 @@
 import EmberApp from 'ember-strict-application-resolver';
-import { loadTests } from 'ember-qunit/test-loader';
 import EmberRouter from '@ember/routing/router';
 import { dependencySatisfies } from '@embroider/macros';
 import * as QUnit from 'qunit';
@@ -24,14 +23,6 @@ class TestApp extends EmberApp {
 Router.map(function () {});
 
 export function start() {
-  /**
-   * We only need to explicitly call load tests when we're on a newer ember-qunit. This check is here
-   * because we have an ember-try setup that tests ember versions that aren't supported on the newer
-   * ember-qunit so we need to downgrade ember-qunit for them too
-   */
-  if (!dependencySatisfies('ember-qunit', '<9.0.0')) {
-    loadTests();
-  }
   setApplication(
     TestApp.create({
       autoboot: false,