updated index to remove title

slides/gen_index.sh

@@ -37,8 +37,6 @@ echo "title: Slides du cours d'Algorithmique" >> index.md
 echo "date: ${date}" >> index.md
 echo "---" >> index.md
 echo "" >> index.md
-echo "# Les chapitres d'algorithmique" >> index.md
-echo "" >> index.md
 for i in ${classes[*]}; do
     echo "* $i" >> index.md
 done