Fix duplicated entry

Author: gitName

.openpublishing.redirection.json

@@ -49812,11 +49812,6 @@
         "redirect_url": "https://learn.microsoft.com/training/browse/",
         "redirect_document_id": false
     },
-    {
-      "source_path": "learn-pr/student-evangelism/use-apis-discover-museum-art/index.yml",
-      "redirect_url": "https://learn.microsoft.com/training/browse/",
-      "redirect_document_id": false
-    },
     {
       "source_path": "learn-pr/azure/analyze-logs-with-kql/index.yml",
       "redirect_url": "/azure/azure-monitor/logs/log-query-overview",