move more modules

nixosModules/quiet-boot.nix

@@ -0,0 +1,11 @@
+{
+  boot = {
+    kernelParams = [
+      "quiet"
+      "udev.log_level=3"
+    ];
+    consoleLogLevel = 0;
+    initrd.verbose = false;
+    plymouth.enable = true;
+  };
+}

nixosModules/systemd-boot.nix

@@ -0,0 +1,11 @@
+{
+  boot.loader = {
+    timeout = 3;
+    efi.canTouchEfiVariables = true;
+    systemd-boot = {
+      enable = true;
+      editor = false; # do not allow changing kernel parameters
+      consoleMode = "max";
+    };
+  };
+}