remove some no-longer-wished-for items from worktop config

nix/system/worktop/darwin-configuration.nix

@@ -37,7 +37,6 @@ in
   # $ nix-env -qaP | grep wget
   environment.systemPackages =
     [
-      pkgs.git-lfs
       pkgs.vim
       pkgs.iterm2
       pkgs.obsidian
@@ -51,7 +50,6 @@ in
 
       # wishlist
       # todo (unsupported on aarch64-darwin):
-      # pkgs.spotify
       # pkgs.firefox
       # pkgs.google-chrome
     ];