Tom's edit of yaml file in intro lectures

Author: thomassargent30

lectures/_toc.yml

@@ -54,7 +54,7 @@ parts:
   - file: unpleasant
   - file: money_inflation_nonlinear
   - file: laffer_adaptive
-  - file: french_rev
+  #- file: french_rev
   - file: ak2
 - caption: Stochastic Dynamics
   numbered: true