Update 3_drude_model.md - fix

e57ca15a · T. van der Sar · b303666b · e57ca15a
Commit e57ca15a authored 6 years ago by T. van der Sar
--- a/src/3_drude_model.md
+++ b/src/3_drude_model.md
@@ -8,7 +8,6 @@ from common import draw_classic_axes, configure_plotting
 configure_plotting()
 ```

-# Drude theory and the free electron model
 _(based on chapter 3 of the book)_  

 !!! summary "Learning goals"