refactor: skylab user ssh pub key as var

opdracht-3/main.tf

@@ -1,18 +1,10 @@
 # ESXi
 
-variable "skylab_ssh_public_key_path" {
-  default = "/home/student/.ssh/skylab.pub"
-}
-
-data "local_file" "ssh_key" {
-  filename = var.skylab_ssh_public_key_path
-}
-
 # Render userdata template with skylab SSH key
 data "template_file" "esxi_userdata" {
   template = file("${path.module}/userdata.tftpl")
   vars = {
-    skylab-ssh-key = trimspace(data.local_file.ssh_key.content)
+    skylab-ssh-key = trimspace(var.skylab_ssh_public_key)
   }
 }
 
@@ -50,7 +42,7 @@ locals {
   inventory = templatefile("${path.module}/ansible-inventory.tmpl", {
     name             = esxi_guest.les-5-opdracht-3.guest_name
     ip               = esxi_guest.les-5-opdracht-3.ip_address
-    private_key_file = var.skylab_ssh_public_key_path
+    private_key_file = var.skylab_ssh_public_key
   })
 }