refactor(boot): consolidate boot loader and kernel settings

modules/hosts/arcturus/config.nix

@@ -59,9 +59,6 @@
         };
       };
 
-      # --- Boot ---
-      boot.kernelPackages = pkgs.linuxKernel.packages.linux_zen;
-
       # --- Networking ---
       networking = {
         hostName = hostName;

modules/hosts/sirius/config.nix

@@ -56,9 +56,6 @@
         };
       };
 
-      # --- Boot ---
-      boot.kernelPackages = pkgs.linuxKernel.packages.linux_zen;
-
       # --- Networking ---
       networking = {
         hostName = hostName;

modules/nixos/boot/loader.nix

@@ -1,5 +1,8 @@
 {
   flake.modules.nixos.boot = {
-    boot.loader.efi.canTouchEfiVariables = true;
+    boot.loader = {
+      timeout = 1;
+      efi.canTouchEfiVariables = true;
+    };
   };
 }

modules/nixos/boot/misc.nix

@@ -0,0 +1,11 @@
+{
+  flake.modules.nixos.boot =
+    { pkgs, ... }:
+    {
+      boot = {
+        consoleLogLevel = 0;
+        initrd.verbose = false;
+        kernelPackages = pkgs.linuxPackages_zen;
+      };
+    };
+}