Ensure there are no hard coded scripts used in base64 encoded value of AWS Launch Configuration

Using base64 encoded shell script as part of config impact the confidentiality of data provided resource is exploited.

For more information on how to setup launch configurations, see the AWS documentation.

In Terraform -

1. In the aws_launch_configuration resource, remove any user_data_base64 data that might contain hardcoded scripts.
2. This will destroy existing launch configurations for autoscaling groups and deploy a new configuration. For more information, see the Terraform documentation.

References:
https://docs.aws.amazon.com/autoscaling/ec2/userguide/create-asg-launch-configuration.html
https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/launch_configuration