added remote build user in puter and removed it from box

hosts/box/default.nix

@@ -10,7 +10,6 @@
     ./glance.nix
     ./packages.nix
     ./hardware-configuration.nix
-    ./remotebuild_user.nix
     ../../modules/common/nix.nix
     ../../modules/raspberrypi.nix
     ../../modules/common/networking.nix

hosts/puter/default.nix

@@ -8,6 +8,7 @@
     #./syncthing.nix
     ./packages.nix
     ./de/default.nix
+    ./remotebuild_user.nix
     ../../modules/userapps/kondo_timer.nix
     ../../modules/common/nix.nix
     ../../modules/common/networking.nix