Remove useless script

sessions/release.sh

@@ -1,12 +0,0 @@
-#!/bin/zsh
-
-set -e
-
-if [[ -z $1 ]]; then
-  echo "Usage: build.sh NUMBER"
-  exit 1
-fi
-
-
-darkslide --linenos=no "${1}.md" --embed --destination "${1}.html"
-prince "${1}.html" -o "${1}.pdf"