[terraform]IAMロールをアタッチしたEC2上で実行する場合に認証情報を無効にする方法

provider "aws" {
  profile = "sso_profile_test"
  alias   = "sso_profile_test"
  region  = var.region
  default_tags {
    tags = {
      Environment    = var.env
      Owner          = var.owner
      Terraform      = "True"
    }
  }
}

module "iam_mfa_sso_profile_test" {

  providers = {
    aws = aws.sso_profile_test
  }
  source  = "../../modules/iam_mfa"
  env     = var.env
  project = var.project

}

terraform {
  required_version = ">= 1.0.10"
  backend "s3" {
    profile = "sso_profile_s3"
    bucket  = "sso_profile_test-terraform-state"
    region  = "ap-northeast-1"
    key     = "environments/mfa_iam/terraform.tfstate"
    encrypt = true
  }
}