refactor: clean up unused imports and component exports

- Removed unused component imports across multiple pages (AgentHeroAlt, ComputeHero, CloudPage, GpuPage, StoragePage)
- Changed ComputeDesign export from default to named export for consistency
- Removed CloudDesign section from CloudPage layout

src/pages/storage/StorageDesign.tsx

@@ -1,5 +1,5 @@
 import { Container } from '../../components/Container'
-import { Eyebrow, H3, P, CT, CP } from '../../components/Texts'
+import { Eyebrow, H3, P, CT } from '../../components/Texts'
 import {
   LockClosedIcon,
   ArrowPathIcon,