Update config_map_aws_auth in docs to match repo
Update config_map_aws_auth in docs to match repo

https://github.com/terraform-providers/terraform-provider-aws/commit/3087f1d8e00a736c01f5062c0826e2801a7a872e changed the hyphens to underscores in the name of this output variable, but the docs still have hyphens. This will change the docs so that they match the code in the terraform-providers github repo
terraform-providers/terraform-provider-aws,terraform-providers/terraform-provider-aws,Ninir/terraform-provider-aws,Ninir/terraform-provider-aws,Ninir/terraform-provider-aws,kjmkznr/terraform-provider-aws,terraform-providers/terraform-provider-aws,kjmkznr/terraform-provider-aws,terraform-providers/terraform-provider-aws,kjmkznr/terraform-provider-aws,kjmkznr/terraform-provider-aws,Ninir/terraform-provider-aws