Remove references to localhost (we are now a website!)

src/pages/SystemView.tsx

@@ -17,7 +17,7 @@ const SystemView = () => {
           <h1 className="text-4xl font-bold text-white mb-2">Cosmic Region Navigator</h1>
           <p className="text-slate-300">Viewing signatures for system: {system}</p>
         </div>
-        <SystemTracker initialSystem={system} />
+        <SystemTracker system={system} />
       </div>
     </div>
   );