Update usb-passthrough.sh

clean

misc/usb-passthrough.sh

@@ -15,31 +15,6 @@ while true; do
   esac
 done
 
-set -o errexit
-set -o errtrace
-set -o nounset
-set -o pipefail
-shopt -s expand_aliases
-alias die='EXIT=$? LINE=$LINENO error_exit'
-trap die ERR
-trap cleanup EXIT
-
-function error_exit() {
-  trap - ERR
-  local DEFAULT='Unknown failure occured.'
-  local REASON="\e[97m${1:-$DEFAULT}\e[39m"
-  local FLAG="\e[91m[ERROR] \e[93m$EXIT@$LINE"
-  msg "$FLAG $REASON"
-  exit $EXIT
-}
-function msg() {
-  local TEXT="$1"
-  echo -e "$TEXT"
-}
-function cleanup() {
-  popd >/dev/null
-  rm -rf $TEMP_DIR
-}
 TEMP_DIR=$(mktemp -d)
 pushd $TEMP_DIR >/dev/null
 CHAR_DEVS+=("166:.*")