nix: change names of hosts

hosts/faye/conf.nix

@@ -1,6 +0,0 @@
-{ config, lib, pkgs, ... }:
-
-{
-  networking.hostName = "faye";
-  networking.computerName = "faye";
-}

hosts/kita/conf.nix

@@ -0,0 +1,6 @@
+{ config, lib, pkgs, ... }:
+
+{
+  networking.hostName = "kita";
+  networking.computerName = "kita";
+}

hosts/nijika/configuration.nix

@@ -7,7 +7,7 @@
     ./specialisation.nix
   ];
 
-  networking.hostName = "pluto";
+  networking.hostName = "nijika";
 
   hardware.graphics.enable = true;
   environment.sessionVariables.LIBVA_DRIVER_NAME = "iHD";