Remove unused bindings from common config.

nodes/hosts/common/services/blueman.nix

@@ -1,3 +1,3 @@
-{ pkgs, ...}: {
+{ ... }: {
   services.blueman.enable = true;
 }

nodes/hosts/common/services/btrfs.nix

@@ -1,4 +1,4 @@
-{ pkgs, ...}: {
+{...}: {
   services.btrfs.autoScrub = {
     enable = true;
     interval = "weekly";

nodes/hosts/common/services/nix-flatpak.nix

@@ -1,4 +1,4 @@
-{ pkgs, ...}: {
+{ ... }: {
   services.flatpak = {
     enable = true;
     update.onActivation = true;