Refactor to pass host vars as arguments

Remove per‑host imports across flake, modules, and profiles, exposing
needed
variables (system, printer settings, consoleKeyMap, etc.) as arguments.
Drop unused printEnable flags from host variable files.

hosts/Garand-Desktop/variables.nix

@@ -39,9 +39,6 @@
   # Enable NFS
   enableNFS = false;
 
-  # Enable Printing Support
-  printEnable = true;
-
   # Set Stylix Image
   # This will set your color palette
   # Default background

hosts/default/variables.nix

@@ -41,9 +41,6 @@
   # Enable NFS
   enableNFS = false;
 
-  # Enable Printing Support
-  printEnable = false;
-
   # Themes, waybar and animation.
   #  Only uncomment your selection
   # The others much be commented out.