Remove default values from Anka packer template (#4346)

images/macos/templates/macOS-11.pkr.hcl

@@ -1,26 +1,43 @@
 variable "source_vm_name" {
   type = string
-  default = "clean_macos_11_300gb"
 }
 
 variable "source_vm_tag" {
   type = string
-  default = "bigsur_300gb"
 }
 
-variable "vm_name" {
+variable "build_id" {
   type = string
-  default = "macos-11"
+}
+
+variable "vm_username" {
+  type = string
+  sensitive = true
+}
+
+variable "vm_password" {
+  type = string
+  sensitive = true
+}
+
+variable "xcode_install_user" {
+  type = string
+  sensitive = true
+}
+
+variable "xcode_install_password" {
+  type = string
+  sensitive = true
 }
 
 variable "vcpu_count" {
   type = string
-  default = "4"
+  default = "5"
 }
 
 variable "ram_size" {
   type = string
-  default = "6G"
+  default = "12G"
 }
 
 variable "image_os" {
@@ -28,14 +45,8 @@ variable "image_os" {
   default = "macos11"
 }
 
-variable "build_id" { type = string }
-variable "vm_username" { type = string }
-variable "vm_password" { type = string }
-variable "xcode_install_user" { type = string }
-variable "xcode_install_password" { type = string }
-
 source "veertu-anka-vm-clone" "template" {
-  vm_name = "${var.vm_name}"
+  vm_name = "${var.build_id}"
   source_vm_name = "${var.source_vm_name}"
   source_vm_tag = "${var.source_vm_tag}"
   vcpu_count = "${var.vcpu_count}"