Revert "[failed attempt] add warning upon no <a> found"

This reverts commit 63cf8e5.

docs/pages/prefetchStaticAssets/+Page.mdx

@@ -81,10 +81,6 @@ See also:
  - [MDN > Web API > Window > matchMedia()](https://developer.mozilla.org/en-US/docs/Web/API/Window/matchMedia)
  - [Stack Overflow > Detecting that the browser has no mouse and is touch-only](https://stackoverflow.com/questions/7838680/detecting-that-the-browser-has-no-mouse-and-is-touch-only/52854585#52854585)
 
-## Debug
-
-If you get the warning `No <a> tag found` then it most likely means that you need to `await` your React/Vue/... rendering/hydration in your <Link href="/onRenderClient">`onRenderClient()` hook</Link>.
-
 ## See also
 
 - <Link href="/preloading" />

vike/client/client-routing-runtime/prefetch.ts

@@ -84,10 +84,6 @@ function addLinkPrefetchHandlers(pageContext: { exports: Record<string, unknown>
   markAsAlreadyPrefetched(pageContext.urlPathname)
 
   const linkTags = [...document.getElementsByTagName('A')] as HTMLElement[]
-  assertWarning(linkTags.length > 0, 'No <a> tag found, see https://vike.dev/prefetchStaticAssets#debug', {
-    showStackTrace: true,
-    onlyOnce: true
-  })
   linkTags.forEach((linkTag) => {
     if (globalObject.linkPrefetchHandlerAdded.has(linkTag)) return
     globalObject.linkPrefetchHandlerAdded.set(linkTag, true)