can now use default packages instead of unstable

modules/hardware/amd.nix

@@ -32,7 +32,7 @@ in {
       };
 
       environment.systemPackages = with pkgs; [
-        unstable.nvtop-amd
+        nvtop-amd
       ];
     })
 

modules/hardware/intel.nix

@@ -32,7 +32,7 @@ in {
         ];
       };
       environment.systemPackages = with pkgs; [
-        unstable.nvtop-intel
+        nvtop-intel
       ];
     })
   ];