remove temporary banner from layout (#7221)

Co-authored-by: kieftrav <[email protected]>

app/layout/index.jsx

@@ -10,45 +10,6 @@ export default function AppLayout(props) {
         <div className="app-layout__admin-indicator" title="Admin mode on!" />
       </AdminOnly>
 
-      <details
-          style={{
-            padding: '5px clamp(20px, 3vw, 30px)',
-            fontSize: '1rem',
-            lineHeight: 1.2,
-            color: '#000',
-            background: '#f0b200'
-          }}
-        >
-          <summary style={{ fontWeight: 'bold', cursor: 'pointer' }}>
-            Platform downtime scheduled on Wednesday November 20.
-          </summary>
-          <p style={{ paddingInline: '15px' }}>
-            The Zooniverse platform will be offline for scheduled maintenance on
-            Wednesday, November 20 from 4pm-10pm US Central Standard Time
-            (2024-11-20 22:00 UTC to 2024-11-21 4:00 UTC). During this period, all
-            projects and platform services will be inaccessible. We apologize for
-            the inconvenience; this maintenance is necessary to make updates to
-            platform infrastructure and improve long-term reliability and uptime.
-            Please visit{' '}
-            <a
-              href='https://status.zooniverse.org/incident/1019747'
-              target='_blank'
-              style={{ color: '#000' }}
-            >
-              status.zooniverse.org
-            </a>{' '}
-            for updates before and during the downtime period. For any additional
-            questions, please email{' '}
-            <a
-              style={{ color: '#000' }}
-              href='mailto:[email protected]'
-            >
-              [email protected]
-            </a>
-            .
-          </p>
-        </details>
-
       <header className='app-layout__header'>
         <SiteNav params={props.params} />
       </header>