normalize puzzle8

Author: parmentelat

notebooks/tps/puzzle8/.teacher/README-puzzle8-corrige-nb.md

@@ -15,9 +15,17 @@ language_info:
 
 # puzzle 8 : a.k.a. "taquin"
 
-initially designed as a 3h assignment for a 4-people team
++++
+
+Licence CC BY-NC-ND, Thierry Parmentelat
+
++++
 
-+++ {"tags": ["prune-cell"]}
+````{admonition} no need for a zip
+to tackle this topic, you only need this HTML text, there is no starter code attached
+````
+
++++
 
 ````{admonition} nothing to prune
 :class: warning

notebooks/tps/puzzle8/README-puzzle8-nb.md

@@ -15,7 +15,23 @@ language_info:
 
 # puzzle 8 : a.k.a. "taquin"
 
-initially designed as a 3h assignment for a 4-people team
++++
+
+Licence CC BY-NC-ND, Thierry Parmentelat
+
++++
+
+````{admonition} no need for a zip
+to tackle this topic, you only need this HTML text, there is no starter code attached
+````
+
++++
+
+````{admonition} nothing to prune
+:class: warning
+
+there are no difference - apart from this very cell - between the teacher and the student version, but the notebook is duplicated in .teacher for consistency
+````
 
 +++