refactor: remove unnecessary workstation feature

modules/features/workstation-base.nix

@@ -4,7 +4,7 @@ let
   homeModules = config.flake.modules.homeManager;
 in
 {
-  flake.modules.nixos.workstation-base = {
+  flake.modules.nixos.workstation = {
     imports = [
       nixosModules.audio
       nixosModules.bluetooth
@@ -30,14 +30,7 @@ in
     environment.localBinInPath = true;
   };
 
-  flake.modules.nixos.workstation-host = {
-    imports = [
-      nixosModules.workstation-base
-      nixosModules.qbittorrent-client
-    ];
-  };
-
-  flake.modules.homeManager.workstation-base = {
+  flake.modules.homeManager.workstation = {
     imports = [
       homeModules.ai
       homeModules.bitwarden