refactor: remove unused imports and add icon null check

- Removed unused ShieldCheckIcon import from NodeProducts
- Removed unused Small component import from NodeSpecs
- Added conditional rendering for Icon in PodsWhat to prevent errors when icon is undefined

src/pages/pods/PodsWhat.tsx

@@ -82,7 +82,7 @@ export function PodsWhat() {
                   <>
                     {/* TITLE WITH ICON (matching the TL example) */}
                     <dt className="flex items-center gap-x-3 text-base font-semibold text-white">
-                      <Icon className="h-6 w-6 text-cyan-500" aria-hidden="true" />
+                      {Icon && <Icon className="h-6 w-6 text-cyan-500" aria-hidden="true" />}
                       {card.title}
                     </dt>