remove some unused variables

multiple/shared_modules/variables.tf

@@ -32,22 +32,7 @@ variable "image_location" {
   type        = string
   default     = "https://cloud-images.ubuntu.com/noble/current/noble-server-cloudimg-amd64.img"
 }
-# In order to avoid refetching the cloud ISO each time, it could could be set to a local directory, like : "/var/lib/libvirt/images/noble-server-cloudimg-amd64.img"
+# To avoid refetching the cloud ISO each time, it could could be set to a local directory, like : "/var/lib/libvirt/images/noble-server-cloudimg-amd64.img"
-
-# variable "cloudinit_user_data" {
-#   description = "User data for cloud-init"
-#   type        = string
-#   default     = <<EOF
-# #cloud-config
-# hostname: ubuntu-cloud-server
-# fqdn: ubuntu-cloud-server.tf.local
-# EOF
-# }
-
-# variable "cloud_init_file" {
-#   description = "Name of cloud-init config file"
-#   type        = optional(string)
-# }
 
 variable "cloudinit_filename" {
   description = "Name of the cloud-init ISO file"
@@ -57,7 +42,7 @@ variable "cloudinit_filename" {
 variable "user_data" {
   description = "User data for cloud-init"
   type        = string
-  default = "data.template_file.user_data.rendered"
+  default = ""
 }
 
 variable "memory" {