fix: remove old examples link

Author: goosewin

fern/docs.yml

@@ -198,7 +198,6 @@ navigation:
                 path: customization/custom-llm/tool-calling-integration.mdx
           - section: Examples
             icon: fa-light fa-code
-            path: examples.mdx
             contents:
               - page: Inbound support
                 path: assistants/examples/inbound-support.mdx