Remove SDK link cards from overview page

Co-Authored-By: Claude Opus 4.5 <[email protected]>

Author: kylemclaren

src/content/docs/index.mdx

@@ -69,20 +69,6 @@ Every Sprite gets a unique URL, making it easy to expose web services or APIs ru
     icon="rocket"
     client:load
   />
-  <LinkCard
-    href="/sdks/javascript"
-    title="JavaScript SDK"
-    description="Build with Sprites in Node.js applications"
-    icon="code"
-    client:load
-  />
-  <LinkCard
-    href="/sdks/go"
-    title="Go SDK"
-    description="Use the native Go client mirroring os/exec"
-    icon="code"
-    client:load
-  />
   <LinkCard
     href="/cli/commands"
     title="CLI Reference"