remove: Remove staging banner component

app/layout.tsx

@@ -7,7 +7,6 @@ import { AnalyticsProvider } from "@/components/AnalyticsProvider";
 import { ClientOnly } from "./components/ClientOnly";
 import BackgroundBlobsClient from "./components/BackgroundBlobsClient";
 import ChatWidget from "./components/ChatWidget";
-import { StagingBanner } from "@/components/StagingBanner";
 
 const inter = Inter({
   variable: "--font-inter",
@@ -34,7 +33,6 @@ export default function RootLayout({
         <AnalyticsProvider>
           <ToastProvider>
             <ClientOnly>
-              <StagingBanner />
               <BackgroundBlobsClient />
             </ClientOnly>
             <div className="relative z-10">{children}</div>