Remove duplicate /api/v1/index.json handler from mocks.ts

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>

Author: Copilot

.storybook/mocks.ts

@@ -17,17 +17,6 @@ export const handlers = [
     // - /api/v1/data/:object (GET, POST)
     // - /api/v1/data/:object/:id (GET, PUT, DELETE)
     // - /api/v1/metadata/*
+    // - /api/v1/index.json (for ObjectStackClient.connect())
     // - /api/bootstrap
-    
-    // Handle /api/v1/index.json for ObjectStackClient.connect()
-    http.get('/api/v1/index.json', async () => {
-        return HttpResponse.json({
-            version: '1.0',
-            objects: ['contact', 'opportunity', 'account'],
-            endpoints: {
-                data: '/api/v1/data',
-                metadata: '/api/v1/metadata'
-            }
-        });
-    }),
 ];