refactor: remove placeholder CTAs and links across multiple pages

- Removed unused Button imports from AgentHeroAlt, GallerySection, ComputeCapabilities, and StorageCapabilitiesNew
- Replaced placeholder buttons/links with TODO comments indicating future implementation
- Changed StorageCoreValue value items from <a> to <div> and removed href/target/rel attributes
- Added descriptive TODO comments explaining what was previously rendered and what needs to be added
- Affected components: AgentHeroAlt (

src/pages/compute/ComputeCapabilitiesNew.tsx

@@ -78,12 +78,8 @@ export function ComputeCapabilitiesNew() {
 
                   {/* Arrows inside first card */}
                   <div className="flex items-center gap-x-4 mt-2">
-                    <a
-                      href="#"
-                      className="inline-flex items-center gap-1 text-cyan-400 hover:text-cyan-300 text-sm font-medium mr-auto"
-                    >
-                      Learn more →
-                    </a>
+                    {/* TODO: Intro card CTA (Learn more) to be added here when destination is defined.
+                        Previously: <a href="#" className="inline-flex items-center ...">Learn more →</a> */}
                     <button
                       onClick={scrollLeft}
                       className="h-8 w-8 flex items-center justify-center border border-gray-800 rounded-md hover:border-cyan-500 transition-colors"