Merge pull request #40723 from uqam-fob/master

Remove all references to absent nixos-prepare-root

nixos/modules/installer/tools/tools.nix

···
       ];
 
     system.build = {
-      inherit nixos-install nixos-prepare-root nixos-generate-config nixos-option nixos-rebuild nixos-enter;
+      inherit nixos-install nixos-generate-config nixos-option nixos-rebuild nixos-enter;
     };
 
   };