chore(hosts:serenity): fix nested statement bug

Author: SapphoSys

hosts/serenity/default.nix

@@ -17,15 +17,14 @@
 
     hardware = {
       audio.enable = false;
+      trimmedJovianKernel.enable = true;
     };
 
     profiles = {
       graphical.enable = true;
       steamdeck.enable = true;
     };
 
-    settings.hardware.trimmedJovianKernel.enable = true;
-
     # Offload builds to the VPS
     distributedBuilds = {
       enable = true;