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

bare-metal/flatcar-linux/kubernetes/bootstrap.tf

@@ -10,8 +10,6 @@ module "bootstrap" {
   network_ip_autodetection_method = var.network_ip_autodetection_method
   pod_cidr                        = var.pod_cidr
   service_cidr                    = var.service_cidr
-  enable_reporting                = var.enable_reporting
-  enable_aggregation              = var.enable_aggregation
   components                      = var.components
 }
 

bare-metal/flatcar-linux/kubernetes/variables.tf

@@ -144,18 +144,6 @@ variable "kernel_args" {
   default     = []
 }
 
-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 "oem_type" {
   type        = string
   description = <<EOD