Remove unused code

modules/matrix/default.nix

@@ -1,7 +1,5 @@
 { config, lib, pkgs, ... }:
-let
-  cfg = config.jalr.matrix;
-in
+
 {
   options.jalr.matrix = with lib; with lib.types; {
     enable = mkEnableOption "simple matrix server";

modules/matrix/mautrix-signal.nix

@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+{ config, lib, ... }:
 
 let
   cfg = config.jalr.matrix;

modules/matrix/mautrix-whatsapp.nix

@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+{ config, lib, ... }:
 
 let
   cfg = config.jalr.matrix;

modules/matrix/synapse.nix

@@ -79,7 +79,7 @@ lib.mkIf cfg.enable {
 
     matrix-synapse.settings.app_service_config_files = lib.attrsets.mapAttrsToList
       (
-        name: value:
+        name: _:
           "/run/matrix-synapse/app_service_config/${name}.yaml"
       )
       cfg.synapse.app_service_config;
@@ -108,8 +108,7 @@ lib.mkIf cfg.enable {
   systemd.services.matrix-synapse = {
     restartTriggers = lib.attrsets.mapAttrsToList
       (
-        name: value:
-          "${value}"
+        _: value: "${value}"
       )
       cfg.synapse.app_service_config;
     serviceConfig = {