feat(x1): increase freeze timeout and remove cloudflare-warp

- Added `power.pm_freeze_timeout` kernel setting with a value of 30000 to extend system freeze timeout.
- Removed `cloudflare-warp` from system packages and systemd packages for cleanup.

systems/x86_64-linux/x1/default.nix

@@ -70,12 +70,16 @@ with lib.metacfg;
     "electron-27.3.11"
   ];
 
+  # increase freezing timeout
+  boot.kernel.sysctl = {
+    "power.pm_freeze_timeout" = 30000;
+  };
+
   environment.systemPackages = with pkgs; [
     attic-client
     azure-cli
     claude-code
     claude-desktop-with-fhs
-    cloudflare-warp
     desktop-file-utils
     fabric-ai
     gemini-cli
@@ -104,8 +108,6 @@ with lib.metacfg;
   #  ResolveUnicastSingleLabel=yes
   #'';
 
-  systemd.packages = [ pkgs.cloudflare-warp ]; # for warp-cli
-
   virtualisation = {
     docker.enable = true;
     libvirtd.enable = true;