rm leftovers

Author: bast

content/installation.md

@@ -110,7 +110,7 @@ You need to start Python in a way that activates conda/mamba.
       automatically initialize conda?", but then it will always be
       active).
       :::
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   :::::{group-tab} Anaconda
@@ -163,7 +163,7 @@ software needed for this particular course.
       $ conda activate data-viz
       ```
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@@ -202,7 +202,7 @@ most of the other tools we need).
       $ jupyter-lab
       ```
       :::
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+    ::::
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   :::::{group-tab} Anaconda