polish: shorten hero description copy

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

components/Hero.tsx

@@ -42,7 +42,7 @@ export default function Hero() {
           style={{ animation: 'slideUp 0.5s ease-out 0.4s both' }}
         >
           A curated collection of browser-based tools for developers and creators.
-          Everything runs locally — no uploads, no tracking.
+          Everything runs locally.
         </p>
 
         {/* CTA */}