test: remove redundant carousel timer cleanup

Amp-Thread-ID: https://ampcode.com/threads/T-01a02581-5939-70ee-9867-37aed3d43d47

Author: ampagent

apps/website/src/components/blocks/FeaturedCarousel02.test.ts

@@ -1,7 +1,7 @@
 // @vitest-environment happy-dom
 import userEvent from '@testing-library/user-event'
 import { render, screen } from '@testing-library/vue'
-import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
+import { beforeEach, describe, expect, it, vi } from 'vitest'
 import { nextTick } from 'vue'
 
 import { prefersReducedMotion } from '../../composables/useReducedMotion'
@@ -83,10 +83,6 @@ describe('FeaturedCarousel02', () => {
     vi.useFakeTimers({ shouldAdvanceTime: false })
   })
 
-  afterEach(() => {
-    vi.useRealTimers()
-  })
-
   it('advances after DEFAULT_AUTOPLAY_MS, honors per-slide delays, and wraps to the first slide', async () => {
     render(FeaturedCarousel02, { props: { slides: makeSlides() } })
     await nextTick()