chore: 🔥 remove leftover commented out includes (#53)

## Description

This was left over from my R workshops.

No review needed.

Author: lwjohnst86

_quarto.yml

@@ -44,7 +44,6 @@ website:
 #   seedcase-theme-html:
     # include-before-body:
       # - "includes/site-counter.html"
-      # - "includes/contribute.html"
 
 editor:
   markdown: