Drop deprecated prog_real=...

diff --git a/grml-debootstrap b/grml-debootstrap
index 0b0ddfc..f1afb19 100755 (executable)
--- a/grml-debootstrap
+++ b/grml-debootstrap
@@ -11,7 +11,6 @@ set -e # exit on any error
 
 # variables {{{
 PN="$(basename $0)"
-prog_real=`readlink -f -- $0`
 VERSION='0.23'
 MNTPOINT="/mnt/debootstrap.$$"