refactor: limit use of with lib

modules/greetd/default.nix

@@ -3,8 +3,8 @@
   pkgs,
   config,
   ...
-}:
-with lib; let
+}: let
+  inherit (lib) getExe optionals readFile;
   inherit (config.vars) mainUser greetdDupe mainMonitor;
 
   # Nix stuff

modules/hyprland/default.nix

@@ -5,10 +5,10 @@
   pkgs,
   lib,
   ...
-}:
-with lib; let
-  # Config stuff
+}: let
+  inherit (lib) concatStringsSep optionals;
   inherit (config.vars) configDir mainUser mainMonitor;
+
   isNvidia = config.hardware.nvidia.modesetting.enable;
   isTouchscreen = config.hardware.sensor.iio.enable;
 in {