chore: remove useless import

Author: 2heal1

tests/integration/minify/index.test.ts

@@ -1,6 +1,6 @@
 import { join } from 'node:path';
 import { buildAndGetResults } from 'test-helper';
-import { afterEach, beforeEach, describe, expect, test, vi } from 'vitest';
+import { expect, test } from 'vitest';
 
 test('tree shaking is enabled by default, bar and baz should be shaken', async () => {
   const fixturePath = join(__dirname, 'default');