Update node-red_setup.sh

setup/node-red_setup.sh

@@ -37,7 +37,7 @@ apt-get -qqy install \
     sudo &>/dev/null
 
 echo -e "${CHECKMARK} \e[1;92m Installing Node-Red... \e[0m"
-bash <(curl -sL https://raw.githubusercontent.com/node-red/linux-installers/master/deb/update-nodejs-and-nodered) --confirm-root --confirm-install --skip-pi
+bash <(curl -sL https://raw.githubusercontent.com/node-red/linux-installers/master/deb/update-nodejs-and-nodered) --confirm-root --confirm-install --skip-pi &>/dev/null
 
 echo -e "${CHECKMARK} \e[1;92m Customizing Container... \e[0m"
 rm /etc/motd