Update class descriptions and add new option for flexibility classes

Removes duration from class cards and adds "online" option to class types.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 88cd88e4-2dbe-4df6-8c8a-7e38f13ef1ec
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/af8dabca-e746-4e53-9c29-d8d4d9cf30f5/49bbd4f5-89e2-42cc-a706-b2d7be5a2a6e.jpg

client/src/components/classes/class-card.tsx

@@ -59,14 +59,9 @@ export function ClassCard({ classData }: ClassCardProps) {
             {formatClassType(classData.classType)}
           </span>
         </div>
-        <p className="text-gray-600 mb-4">
+        <p className="text-gray-600">
           {classData.description}
         </p>
-        <div className="flex items-center">
-          <span className="text-gray-700">
-            <i className="far fa-clock mr-1"></i> {formatDuration(classData.duration)}
-          </span>
-        </div>
       </div>
     </div>
   );