Update pihole-install.sh

setup/pihole-install.sh

@@ -1,6 +1,4 @@
-#!/usr/bin/env bash -ex
-set -euo pipefail
-shopt -s inherit_errexit nullglob
+#!/usr/bin/env bash
 YW=`echo "\033[33m"`
 RD=`echo "\033[01;31m"`
 BL=`echo "\033[36m"`