refactor: simplify benefits section layout and styling

- Replaced complex grid layout with centered 4-column design
- Switched from images to Heroicons for consistent iconography
- Removed unused animation components and dependencies (cobe, motion)

src/pages/compute/ComputeDesign.tsx

@@ -1,4 +1,4 @@
-import { Eyebrow, H3, P, CP, CT } from '@/components/Texts'
+import { CP, CT } from '@/components/Texts'
 import {
   ArrowPathIcon,
   GlobeAltIcon,