Refactor formatLocalTime function in UptimeStatusIsland to remove Luxon fallback

- Eliminated the fallback handling for Luxon in the formatLocalTime function to streamline date formatting.
- Improved code clarity by removing unnecessary error handling and debug logging related to Luxon availability.
- Maintained existing functionality while simplifying the implementation.

src/components/UptimeStatusIsland.jsx

@@ -48,38 +48,6 @@ function getUptime24hBg(uptime) {
 function formatLocalTime(rawTime, zone = 'utc') {
   if (!rawTime) return '';
   
-  // Check if Luxon is available
-  if (typeof DateTime === 'undefined') {
-    console.log('PROD DEBUG: Luxon DateTime not available, using fallback');
-    // Fallback to native JavaScript Date
-    try {
-      const date = new Date(rawTime);
-      if (isNaN(date.getTime())) {
-        return 'Invalid DateTime';
-      }
-      
-      if (zone === 'utc') {
-        return date.toISOString().slice(0, 19).replace('T', ', ').split('-').reverse().join('-');
-      } else {
-        // Convert to local time
-        const options = {
-          year: 'numeric',
-          month: '2-digit',
-          day: '2-digit',
-          hour: '2-digit',
-          minute: '2-digit',
-          second: '2-digit',
-          timeZone: zone,
-          hour12: false
-        };
-        return new Intl.DateTimeFormat('en-GB', options).format(date).replace(/\//g, '-');
-      }
-    } catch (e) {
-      console.log('PROD DEBUG: Fallback parsing failed:', e.message);
-      return 'Invalid DateTime';
-    }
-  }
-  
   let dt = null;
   
   // First try ISO parsing (most reliable for UTC timestamps)