Falls back to use macos app for wireguard

hosts/darwin/imac/system.nix

@@ -9,20 +9,4 @@
   imports = [
     ../system-default.nix
   ];
-
-  # WireGuard LaunchAgent for auto-start
-  launchd.user.agents.wireguard = {
-    serviceConfig = {
-      ProgramArguments = [
-        "/opt/homebrew/bin/wg-quick"
-        "up"
-        "/Users/yanlin/.config/nix/config/wireguard/imac.conf"
-      ];
-      RunAtLoad = true;
-      KeepAlive = false;
-      Label = "com.wireguard.imac";
-      StandardErrorPath = "/tmp/wireguard.err";
-      StandardOutPath = "/tmp/wireguard.out";
-    };
-  };
 }

hosts/darwin/mba/system.nix

@@ -9,20 +9,4 @@
   imports = [
     ../system-default.nix
   ];
-
-  # WireGuard LaunchAgent for auto-start
-  launchd.user.agents.wireguard = {
-    serviceConfig = {
-      ProgramArguments = [
-        "/opt/homebrew/bin/wg-quick"
-        "up"
-        "/Users/yanlin/.config/nix/config/wireguard/mba.conf"
-      ];
-      RunAtLoad = true;
-      KeepAlive = false;
-      Label = "com.wireguard.mba";
-      StandardErrorPath = "/tmp/wireguard.err";
-      StandardOutPath = "/tmp/wireguard.out";
-    };
-  };
 }

modules/homebrew.nix

@@ -11,8 +11,6 @@
     };
     brews = [
       # Command-line tools go here
-      "wireguard-go"
-      "wireguard-tools"
     ];
     casks = [
       # GUI applications - manually installed apps now managed by Homebrew