docs: Remove BF banner

Author: amannn

docs/src/theme.config.tsx

@@ -23,22 +23,22 @@ export default {
   color: {
     hue: {light: 210, dark: 195}
   },
-  banner: {
-    key: 'black-friday-2025',
-    content: (
-      <div className="text-center">
-        <a
-          className="underline"
-          href="https://learn.next-intl.dev"
-          rel="noreferrer"
-          target="_blank"
-        >
-          learn.next-intl.dev
-        </a>{' '}
-        is -40% off for Black Friday
-      </div>
-    )
-  },
+  // banner: {
+  //   key: 'black-friday-2025',
+  //   content: (
+  //     <div className="text-center">
+  //       <a
+  //         className="underline"
+  //         href="https://learn.next-intl.dev"
+  //         rel="noreferrer"
+  //         target="_blank"
+  //       >
+  //         learn.next-intl.dev
+  //       </a>{' '}
+  //       is -40% off for Black Friday
+  //     </div>
+  //   )
+  // },
   components: {
     pre: Pre
   },