fix(style): move transkription print styles to global CSS to suppress Tailwind noise

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/src/routes/hilfe/transkription/+page.svelte

@@ -125,15 +125,3 @@ const klaerungChips = [
 		<p class="font-serif text-sm leading-relaxed text-ink-2">{m.richtlinien_closing_body()}</p>
 	</div>
 </main>
-
-<style>
-@media print {
-	:global(.app-nav) {
-		display: none;
-	}
-
-	@page {
-		margin: 1.5cm;
-	}
-}
-</style>