docs: update registry agents (#793)

Co-authored-by: benbrandt <2111074+benbrandt@users.noreply.github.com>

Author: acp-release-bot[bot]

docs/get-started/registry.mdx

@@ -62,7 +62,7 @@ Visit [the registry repository on GitHub](https://github.com/agentclientprotocol
   </Card>
   <Card
     title="Auggie CLI"
-    href="https://github.com/augmentcode/auggie-zed-extension"
+    href="https://github.com/augmentcode/auggie"
     icon={
       <svg
         width="20"
@@ -266,7 +266,6 @@ Visit [the registry repository on GitHub](https://github.com/agentclientprotocol
   </Card>
   <Card
     title="Codebuddy Code"
-    href="https://www.codebuddy.cn/cli/"
     icon={
       <svg
         width="20"
@@ -383,7 +382,6 @@ Visit [the registry repository on GitHub](https://github.com/agentclientprotocol
   </Card>
   <Card
     title="Cursor"
-    href="https://cursor.com/docs/cli/acp"
     icon={
       <svg
         width="20"