clean up home and system default packages

hosts/nixos/home-default.nix

@@ -11,9 +11,6 @@
     ../../modules/lazygit.nix
     ../../modules/rsync.nix
     ../../modules/btop.nix
-    ../../modules/claude-code.nix
-    ../../modules/gemini-cli.nix
-    ../../modules/media-process.nix
     ../../modules/fonts.nix
     ../../modules/env.nix
   ];
@@ -23,6 +20,7 @@
   home.stateVersion = "24.05";
 
   programs.home-manager.enable = true;
+  nixpkgs.config.allowUnfree = true;
 
   # nixOS-specific alias
   programs.zsh.shellAliases = {
@@ -46,18 +44,12 @@
     iputils        # Core network tools (ping, traceroute)
     inetutils      # Network utilities (telnet)
     netcat-gnu     # Network connection utility
-    curl           # HTTP client
-    wget           # Web downloader
 
     # Command-line utilities
     ncdu
-    git-credential-oauth
     delta
     fastfetch
-    coreutils      # GNU core utilities (base64, etc.)
     bzip2
-    ffmpeg
-    pdftk
 
     # Development and build tools
     python312