chore: optmize build on nixbook, removing ollama and steam

hosts/common/default.nix

@@ -1,8 +1,9 @@
-{ config
-, inputs
-, lib
-, pkgs
-, ...
+{
+  config,
+  inputs,
+  lib,
+  pkgs,
+  ...
 }:
 {
   imports = [ ./users/thiago/default.nix ];
@@ -10,12 +11,10 @@
   boot.loader.systemd-boot.enable = true;
   environment = {
     shells = with pkgs; [ zsh ];
-    etc = lib.mapAttrs'
-      (name: value: {
-        name = "nix/path/${name}";
-        value.source = value.flake;
-      })
-      config.nix.registry;
+    etc = lib.mapAttrs' (name: value: {
+      name = "nix/path/${name}";
+      value.source = value.flake;
+    }) config.nix.registry;
     systemPackages = with pkgs; [
       exfat
       file
@@ -46,6 +45,7 @@
     nixPath = [ "/etc/nix/path" ];
 
     settings = {
+      download-buffer-size = "512MiB";
       experimental-features = "nix-command flakes";
       auto-optimise-store = true;
     };