Remove some seldom used variables and set reasonable

* Set reasonable values and remove some variable clutter
* enable_reporting is only used with Calico and we can just default
to false, I doubt anyone uses Calico and cares much about reporting
metrics to upstream Calico

aws/flatcar-linux/kubernetes/bootstrap.tf

@@ -9,8 +9,6 @@ module "bootstrap" {
   network_mtu           = var.network_mtu
   pod_cidr              = var.pod_cidr
   service_cidr          = var.service_cidr
-  enable_reporting      = var.enable_reporting
-  enable_aggregation    = var.enable_aggregation
   daemonset_tolerations = var.daemonset_tolerations
   components            = var.components
 }

aws/flatcar-linux/kubernetes/variables.tf

@@ -172,18 +172,6 @@ variable "worker_node_labels" {
 
 # advanced
 
-variable "enable_reporting" {
-  type        = bool
-  description = "Enable usage or analytics reporting to upstreams (Calico)"
-  default     = false
-}
-
-variable "enable_aggregation" {
-  type        = bool
-  description = "Enable the Kubernetes Aggregation Layer"
-  default     = true
-}
-
 variable "controller_arch" {
   type        = string
   description = "Controller node(s) architecture (amd64 or arm64)"