remove keyboard toggle module

modules/keyboard-toggle.nix

@@ -1,76 +0,0 @@
-{ config, pkgs, ... }:
-
-let
-  keyboard-toggle = pkgs.writeShellScriptBin "keyboard-toggle" ''
-    # Find the AT keyboard event device
-    EVENT_DEVICE=$(grep -l "AT Translated Set 2 keyboard" /sys/class/input/event*/device/name | sed 's|/device/name||' | sed 's|.*/||')
-    PID_FILE="/tmp/keyboard-grab-$USER.pid"
-
-    if [ -z "$EVENT_DEVICE" ]; then
-      echo "✗ Could not find AT keyboard device"
-      exit 1
-    fi
-
-    # Check if grabber is running
-    if [ -f "$PID_FILE" ] && kill -0 $(cat "$PID_FILE") 2>/dev/null; then
-      # Keyboard is disabled, enable it
-      sudo kill $(cat "$PID_FILE")
-      rm -f "$PID_FILE"
-      sudo systemctl start keyd
-      echo "✓ Built-in keyboard enabled (keyd active)"
-    else
-      # Keyboard is enabled, disable it by grabbing the device
-      sudo systemctl stop keyd
-      sudo ${pkgs.evtest}/bin/evtest --grab /dev/input/$EVENT_DEVICE > /dev/null 2>&1 &
-      echo $! > "$PID_FILE"
-      echo "✓ Built-in keyboard disabled (keyd stopped)"
-    fi
-  '';
-in
-{
-  # Configure keyd for key remapping on the built-in keyboard
-  services.keyd = {
-    enable = true;
-    keyboards = {
-      internal = {
-        ids = [ "*" ];
-        settings = {
-          main = {
-            capslock = "leftcontrol";
-            leftalt = "leftmeta";
-          };
-        };
-      };
-    };
-  };
-
-  # Add the script and required tools to system packages
-  environment.systemPackages = [
-    keyboard-toggle
-    pkgs.libinput
-    pkgs.evtest
-  ];
-
-  # Add convenient shell alias
-  environment.shellAliases = {
-    kbt = "keyboard-toggle";
-  };
-
-  # Add sudoers rule for passwordless keyboard toggling
-  security.sudo.extraRules = [{
-    users = [ "yanlin" ];
-    commands = [{
-      command = "${pkgs.evtest}/bin/evtest --grab /dev/input/*";
-      options = [ "NOPASSWD" ];
-    } {
-      command = "${pkgs.coreutils}/bin/kill";
-      options = [ "NOPASSWD" ];
-    } {
-      command = "${pkgs.systemd}/bin/systemctl start keyd";
-      options = [ "NOPASSWD" ];
-    } {
-      command = "${pkgs.systemd}/bin/systemctl stop keyd";
-      options = [ "NOPASSWD" ];
-    }];
-  }];
-}