fix: code quality improvements

- Remove duplicate variables (alpaca_count, llama_count)
- Remove unused variables (vm_name, disk_type)
- Fix outputs to use correct variable names
- Fix cloud-init template to not overwrite source file
- Fix hardcoded hostname in cloud-init template
- Fix typo in SSH_KEY_PUBLIC description

terraform/variables.tf

@@ -10,10 +10,6 @@ variable "clone_template" {
   type = string
 }
 
-variable "vm_name" {
-  type = string
-}
-
 variable "cores" {
   type = number
 }
@@ -34,10 +30,6 @@ variable "bridge" {
   type = string
 }
 
-variable "disk_type" {
-  type = string
-}
-
 variable "storage" {
   type = string
 }
@@ -50,18 +42,6 @@ variable "pm_user" {
   type = string
 }
 
-variable "alpaca_count" {
-  type        = number
-  default     = 1
-  description = "How many Alpaca VMs to create"
-}
-
-variable "llama_count" {
-  type        = number
-  default     = 1
-  description = "How many Llama VMs to create"
-}
-
 variable "alpaca_vm_count" {
   type        = number
   default     = 1
@@ -81,5 +61,5 @@ variable "TS_AUTHKEY" {
 
 variable "SSH_KEY_PUBLIC" {
   type        = string
-  description = "My Public SSH key fo ssh auth list"
+  description = "My Public SSH key for ssh auth list"
 }