Revert "treewide: use auto diskSize for make-disk-image"

This reverts commit f3aa040bcb.

nixos/modules/virtualisation/azure-image.nix

@@ -9,9 +9,8 @@ in
 
   options = {
     virtualisation.azureImage.diskSize = mkOption {
-      type = with types; either (enum [ "auto" ]) int;
-      default = "auto";
-      example = 2048;
+      type = with types; int;
+      default = 2048;
       description = ''
         Size of disk image. Unit is MB.
       '';

nixos/modules/virtualisation/digital-ocean-image.nix

@@ -10,9 +10,8 @@ in
 
   options = {
     virtualisation.digitalOceanImage.diskSize = mkOption {
-      type = with types; either (enum [ "auto" ]) int;
-      default = "auto";
-      example = 4096;
+      type = with types; int;
+      default = 4096;
       description = ''
         Size of disk image. Unit is MB.
       '';

nixos/modules/virtualisation/google-compute-image.nix

@@ -18,9 +18,8 @@ in
 
   options = {
     virtualisation.googleComputeImage.diskSize = mkOption {
-      type = with types; either (enum [ "auto" ]) int;
-      default = "auto";
-      example = 1536;
+      type = with types; int;
+      default = 1536;
       description = ''
         Size of disk image. Unit is MB.
       '';

nixos/modules/virtualisation/hyperv-image.nix

@@ -9,9 +9,8 @@ in {
   options = {
     hyperv = {
       baseImageSize = mkOption {
-        type = with types; either (enum [ "auto" ]) int;
-        default = "auto";
-        example = 2048;
+        type = types.int;
+        default = 2048;
         description = ''
           The size of the hyper-v base image in MiB.
         '';

nixos/modules/virtualisation/virtualbox-image.nix

@@ -11,9 +11,8 @@ in {
   options = {
     virtualbox = {
       baseImageSize = mkOption {
-        type = with types; either (enum [ "auto" ]) int;
-        default = "auto";
-        example = 50 * 1024;
+        type = types.int;
+        default = 50 * 1024;
         description = ''
           The size of the VirtualBox base image in MiB.
         '';

nixos/modules/virtualisation/vmware-image.nix

@@ -18,9 +18,8 @@ in {
   options = {
     vmware = {
       baseImageSize = mkOption {
-        type = with types; either (enum [ "auto" ]) int;
-        default = "auto";
-        example = 2048;
+        type = types.int;
+        default = 2048;
         description = ''
           The size of the VMWare base image in MiB.
         '';