fix

build.sh

@@ -26,9 +26,6 @@ echo -e "\e[97m\u2551      Release date: \e[93m"$rdate"\e[0m\e[97m    \u2551\e[0
 echo -n -e "\e[97m\u255A"
 for j in {1..34}; do echo -e -n "\u2550";done
 echo -e -n "\u255D\e[0m"
-if [ -a /dev/ttyACM0 ]
-then
-arduino_device="ttyACM0"
 echo