update maintenance text

Author: vas3a

src/lib/components/Maintenance.svelte

@@ -6,7 +6,7 @@
 <div class={styles.banner}>
   <div class={styles.bannerContent}>
     <div class={styles.bannerText}>
-      Wallet application will remain under maintenance until 11:30 PM EST on Tuesday, October 21, 2025.
+      Wallet application will be under maintenance on Tuesday, October 21, 2025
     </div>
   </div>
 </div>