Update xlxd-debian-installer.sh

simplified the IP variable

xlxd-debian-installer.sh

@@ -16,7 +16,7 @@ then
   exit 0
 fi
 DIRDIR=$(pwd)
-LOCAL_IP=$(ip a | grep inet | grep "eth0\|en" | awk '{print $2}' | tr '/' ' ' | awk '{print $1}')
+LOCAL_IP=$(hostname -I | awk '{print $1}')
 INFREF=https://n5amd.com/digital-radio-how-tos/create-xlx-xrf-d-star-reflector/
 XLXDREPO=https://github.com/LX3JL/xlxd.git
 DMRIDURL=http://xlxapi.rlx.lu/api/exportdmr.php