Update toc.yml

Author: ssalgadodev

articles/ai-studio/toc.yml

@@ -93,8 +93,6 @@ items:
       href: how-to/concept-data-privacy.md
     - name: Model lifecycle and retirement
       href: concepts/model-lifecycle-retirement.md
-    - name: Model benchmarks
-      href: how-to/model-benchmarks.md
     - name: Model benchmarking
       items:
       - name: Model benchmarks