Remove duplicate line in AWS deployment script

Author: 0intro

modules/user_data/templates/install.sh.tftpl

@@ -27,9 +27,6 @@ apt autoremove -y
 # Perform unattended upgrades
 unattended-upgrade -v
 
-# Perform unattended upgrades
-unattended-upgrade -v
-
 # Get IMDS metadata to fetch the API Key from SecretsManager (without having to install awscli)
 IMDS_TOKEN=$(      curl -sSL -XPUT "http://169.254.169.254/latest/api/token"                  -H "X-AWS-EC2-Metadata-Token-TTL-Seconds: 30")
 IMDS_INSTANCE_ID=$(curl -sSL -XGET "http://169.254.169.254/latest/meta-data/instance-id"      -H "X-AWS-EC2-Metadata-Token: $IMDS_TOKEN")