docs: remove hackathon banner (#5756)

documentation/src/theme/Root.tsx

@@ -5,37 +5,41 @@ interface Props {
   children: ReactNode;
 }
 
+const SHOW_BANNER = false;
+
 export default function Root({ children }: Props): JSX.Element {
   return (
     <>
-      <div
-        style={{
-          backgroundColor: '#25c2a0',
-          color: '#000',
-          padding: '8px 16px',
-          textAlign: 'center',
-          fontSize: '14px',
-          fontWeight: '500',
-          position: 'relative',
-          zIndex: 1000,
-          lineHeight: '1.3',
-        }}
-      >
-        ✨ NO KEYBOARDS ALLOWED HACKATHON✨ : build next-gen interfaces with goose and win prizes.{' '}
-        <a
-          href="https://nokeyboardsallowed.dev"
-          target="_blank"
-          rel="noopener noreferrer"
+      {SHOW_BANNER && (
+        <div
           style={{
+            backgroundColor: '#25c2a0',
             color: '#000',
-            textDecoration: 'underline',
-            fontWeight: '700',
+            padding: '8px 16px',
+            textAlign: 'center',
+            fontSize: '14px',
+            fontWeight: '500',
+            position: 'relative',
+            zIndex: 1000,
+            lineHeight: '1.3',
           }}
         >
-          Deadline Nov 14
-        </a>
-        .
-      </div>
+          ✨ NO KEYBOARDS ALLOWED HACKATHON✨ : build next-gen interfaces with goose and win prizes.{' '}
+          <a
+            href="https://nokeyboardsallowed.dev"
+            target="_blank"
+            rel="noopener noreferrer"
+            style={{
+              color: '#000',
+              textDecoration: 'underline',
+              fontWeight: '700',
+            }}
+          >
+            Deadline Nov 14
+          </a>
+          .
+        </div>
+      )}
       {children}
     </>
   );