add takamaki config, clean up host configs

hosts/nixos-vm/default.nix

@@ -12,29 +12,14 @@ in {
   imports = [
     ../../global-default.nix
     ./hardware-configuration.nix
-    "${modules-dir}/nh.nix"
     "${modules-dir}/display-managers/sddm.nix"
     "${modules-dir}/desktop-environments/plasma6.nix"
-    "${modules-dir}/home-manager.nix"
     "${modules-dir}/zsh.nix"
   ];
 
-  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
-
-  # Configure network proxy if necessary
-  # networking.proxy.default = "http://user:password@proxy:port/";
-  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
-
   virtualisation.virtualbox.guest.enable = true;
   virtualisation.virtualbox.guest.dragAndDrop = true;
 
-  # Some programs need SUID wrappers, can be configured further or are
-  # started in user sessions.
-  # programs.mtr.enable = true;
-  programs.gnupg.agent = {
-    enable = true;
-  };
-
   # List services that you want to enable:
 
   # Enable the OpenSSH daemon.