refactor: Refactoring to match the rest of terraform-aws-modules (#1583)

examples/fargate/variables.tf

@@ -1,52 +0,0 @@
-variable "region" {
-  default = "us-west-2"
-}
-
-variable "map_accounts" {
-  description = "Additional AWS account numbers to add to the aws-auth configmap."
-  type        = list(string)
-
-  default = [
-    "777777777777",
-    "888888888888",
-  ]
-}
-
-variable "map_roles" {
-  description = "Additional IAM roles to add to the aws-auth configmap."
-  type = list(object({
-    rolearn  = string
-    username = string
-    groups   = list(string)
-  }))
-
-  default = [
-    {
-      rolearn  = "arn:aws:iam::66666666666:role/role1"
-      username = "role1"
-      groups   = ["system:masters"]
-    },
-  ]
-}
-
-variable "map_users" {
-  description = "Additional IAM users to add to the aws-auth configmap."
-  type = list(object({
-    userarn  = string
-    username = string
-    groups   = list(string)
-  }))
-
-  default = [
-    {
-      userarn  = "arn:aws:iam::66666666666:user/user1"
-      username = "user1"
-      groups   = ["system:masters"]
-    },
-    {
-      userarn  = "arn:aws:iam::66666666666:user/user2"
-      username = "user2"
-      groups   = ["system:masters"]
-    },
-  ]
-}