Remove pytest-regtest and pytest-mpl from the list of required packages.

Author: avadean

learners/setup.md

@@ -36,7 +36,7 @@ conda activate myenv
 There are some python packages that will be needed in this course, you can install them using the following command:
 
 ```bash
-pip install numpy pandas matplotlib pytest pytest-regtest pytest-mpl snaptol
+pip install numpy pandas matplotlib pytest snaptol
 ```
 
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