docs/data-source/aws_efs_file_system: Minor formatting fixes and duplicate removals
docs/data-source/aws_efs_file_system: Minor formatting fixes and duplicate removals

terraform-providers/terraform-provider-aws,kjmkznr/terraform-provider-aws,kjmkznr/terraform-provider-aws,terraform-providers/terraform-provider-aws,terraform-providers/terraform-provider-aws,terraform-providers/terraform-provider-aws,kjmkznr/terraform-provider-aws,kjmkznr/terraform-provider-aws