Removing not applicable variable for ECS task

fix #2

Author: jnonino

server.tf

@@ -39,7 +39,6 @@ resource "aws_ecs_task_definition" "td" {
   task_role_arn         = aws_iam_role.ecs_task_execution_role.arn
   execution_role_arn    = aws_iam_role.ecs_task_execution_role.arn
   network_mode          = "awsvpc"
-  ipc_mode              = var.ipc_mode
   dynamic "placement_constraints" {
     for_each = var.placement_constraints
     content {

variables.tf

@@ -193,11 +193,6 @@ variable "working_directory" {
 # ---------------------------------------------------------------------------------------------------------------------
 # AWS ECS Task Definition Variables
 # ---------------------------------------------------------------------------------------------------------------------
-variable "ipc_mode" {
-  description = "The IPC resource namespace to be used for the containers in the task The valid values are \"host\", \"task\", and \"none\"."
-  default     = "null"
-}
-
 variable "placement_constraints" {
   type        = list
   description = "A set of placement constraints rules that are taken into consideration during task placement. Maximum number of placement_constraints is 10. This is a list of maps, where each map should contain \"type\" and \"expression\""