update userdata.sh.

userdata.sh

@@ -57,7 +57,6 @@ EOC
 touch /mnt/v1/refund.sh
 cat > /mnt/v1/refund.sh <<EOD
 #!/bin/bash
-set -x
 while :
 do
 refund=\`tail -n 300 /mnt/v1/server.log|grep Refund|awk '{print \$6}'|sort|uniq\`