remove duplicate redirection rule on articles/chef/index.yml

Author: herohua

.openpublishing.redirection.json

@@ -50614,11 +50614,6 @@
       "redirect_url": "/azure/developer/chef/overview",
       "redirect_document_id": false
     },
-    {
-      "source_path": "articles/chef/",
-      "redirect_url": "/azure/developer/chef/",
-      "redirect_document_id": false
-    },
     {
       "source_path": "articles/chef/index.yml",
       "redirect_url": "/azure/developer/chef/",