etl: remove this long-unused tree

etl/main.tf

@@ -1,66 +0,0 @@
-provider "azurerm" {
-  version = "=2.8.0"
-  features {}
-}
-
-resource "azurerm_resource_group" "rg" {
-    name = "${var.prefix}-resources"
-    location = var.location
-}
-
-resource "azurerm_virtual_network" "vnet1" {
-    resource_group_name = azurerm_resource_group.rg.name
-    location = var.location
-    name = "dev"
-    address_space = ["10.20.0.0/16"]
-}
-
-resource "azurerm_subnet" "subnet1" {
-    resource_group_name = azurerm_resource_group.rg.name
-    virtual_network_name = azurerm_virtual_network.vnet1.name
-    name = "devsubnet"
-    address_prefixes = ["10.20.0.0/24"]
-}
-
-resource "azurerm_public_ip" "pub_ip" {
-    name = "vmpubip"
-    location = var.location
-    resource_group_name = azurerm_resource_group.rg.name
-    allocation_method = "Dynamic"
-}
-
-resource "azurerm_network_interface" "vmnic" {
-    location = var.location
-    resource_group_name = azurerm_resource_group.rg.name
-    name = "vmnic1"
-
-    ip_configuration {
-        name = "vmnic1-ipconf"
-        subnet_id = azurerm_subnet.subnet1.id
-        private_ip_address_allocation = "Dynamic"
-        public_ip_address_id = azurerm_public_ip.pub_ip.id
-    }
-}
-
-resource "azurerm_windows_virtual_machine" "devvm" {
-    name = "development-vm"
-    location = var.location
-    size = var.vm_sku
-    admin_username = var.admin_username
-    admin_password = var.admin_password
-    resource_group_name = azurerm_resource_group.rg.name
-
-    network_interface_ids = [azurerm_network_interface.vmnic.id]
-    
-    os_disk {
-        caching = "ReadWrite"
-        storage_account_type = "Standard_LRS"
-    }
-
-    source_image_reference {
-        publisher = "MicrosoftWindowsServer"
-        offer = "WindowsServer"
-        sku = "2019-Datacenter"
-        version = "latest"
-    }
-}

etl/variables.tf

@@ -1,20 +0,0 @@
-variable "prefix" {
-    description = "A prefix label, like wwtdev"
-}
-
-variable "location" {
- description = "The location where resources will be created"
-}
-
-variable "admin_username" {
-   description = "Default username for admin account"
-}
-
-variable "admin_password" {
-   description = "The password for the default admin user"
-}
-
-variable "vm_sku" {
-   description = "Default VM size"
-   default = "Standard_A2"
-}