cleanup after remove gr()

jbrightuniverse · web-flow · commit b178a07083cb · 2021-09-17T00:01:12.000-07:00
diff --git a/lectures/tools_and_techniques/kalman.md b/lectures/tools_and_techniques/kalman.md
@@ -112,7 +112,6 @@ using Test
 
 ```{code-cell} julia
 using Plots, Distributions
- # plots setup
 ```
 
 ```{code-cell} julia
