clean up and refactor more into OS snippets; bluetooth works on x13s

nix/home-manager/profiles/common.nix

@@ -3,10 +3,7 @@
   # programs.home-manager.enable = true;
   # programs.home-manager.path = https://github.com/rycee/home-manager/archive/445c0b1482c38172a9f8294ee16a7ca7462388e5.tar.gz;
 
-  imports = [
-    ../programs/zsh.nix
-  ];
-
+  # TODO: move this to an OS snippet?
   nixpkgs.config = {
     allowBroken = false;
     allowUnfree = true;
@@ -14,15 +11,6 @@
     permittedInsecurePackages = [ ];
   };
 
-  nix.settings.experimental-features = [
-    "nix-command"
-    "flakes"
-    "impure-derivations"
-    "ca-derivations"
-    "recursive-nix"
-  ];
-  nix.settings.sandbox = "relaxed";
-
   home.keyboard = {
     layout = "us";
     variant = "altgr-intl";
@@ -36,9 +24,7 @@
   xdg.enable = true;
 
   programs.direnv.enable = true;
-  services.lorri.enable = true;
 
-  home.sessionVariables.NIXPKGS_ALLOW_UNFREE = "1";
   # Don't create .pyc files.
   home.sessionVariables.PYTHONDONTWRITEBYTECODE = "1";
 
@@ -48,9 +34,14 @@
   home.packages =
     [ ]
     ++ (with pkgs; [
-      htop
+      coreutils
+
       vcsh
 
+      htop
+      iperf3
+      nethogs
+
       # Authentication
       cacert
       openssl