docs: remove obsolete Claude Code and omp docs, update references

docs/ai/meta.ts

@@ -3,5 +3,5 @@ import { defineMeta } from "blume";
 export default defineMeta({
   title: "AI agents",
   icon: "bot",
-  pages: ["index", "claude-code", "omp", "skills"],
+  pages: ["index", "skills"],
 });