Update _toc.yml

Author: ebatty

_toc.yml

@@ -98,5 +98,5 @@ parts:
       - file: Week12/Video121.ipynb
       - file: Week12/Video122.ipynb
       - file: Week12/Video123.ipynb 
-      - file: Week12/Video124.ipynb 
+      # - file: Week12/Video124.ipynb 
       - file: Week12/Week12Tutorial1.ipynb