remove banner

ui/src/app/dashboard/page.tsx

@@ -73,13 +73,6 @@ export default function Dashboard() {
         <div className="flex-1" />
       </TopBar>
       <MainContent>
-        <div className="mb-6">
-          <img
-            src="https://huggingface.co/spaces/multimodalart/ai-toolkit/resolve/main/frenzi_thanks.png"
-            alt="AI Toolkit Banner"
-            className="w-full rounded-lg border border-gray-800"
-          />
-        </div>
         <div className="border border-gray-800 rounded-xl bg-gray-900 p-6 flex flex-col gap-4">
           <div>
             <h2 className="text-xl font-semibold text-gray-100">