replace tlp with power-profiles-daemon

TLP is often no longer the best choice since firmware provides power
profiles instead. That's why we are removing TLP as the default option.
We may want to bring back TLP to some old hardware if it makes sense
i.e. certain thinkpad modules.

common/pc/laptop/default.nix

@@ -1,13 +1,5 @@
-{ config, lib, ... }:
-
-{
+{ lib, config, ... }: {
   imports = [ ../. ];
 
-  # Gnome 40 introduced a new way of managing power, without tlp.
-  # However, these 2 services clash when enabled simultaneously.
-  # https://github.com/NixOS/nixos-hardware/issues/260
-  services.tlp.enable = lib.mkDefault (
-    (lib.versionOlder (lib.versions.majorMinor lib.version) "21.05")
-    || !config.services.power-profiles-daemon.enable
-  );
+  config.services.power-profiles-daemon.enable = lib.mkDefault (!config.services.tlp.enable);
 }