Set up nixverse command properly.

nodes/hosts/common/programs/general.nix

@@ -1,4 +1,4 @@
-{ config, inputs, lib, pkgs, ... }: {
+{ config, inputs, lib, pkgs, pkgs', ... }: {
   # List packages installed in system profile. To search, run:
   # $ nix search wget
 
@@ -49,6 +49,7 @@
     pkgs.unzip
     pkgs.usbutils
     pkgs.wf-recorder
+    pkgs'.nixverse
   ];
 }
 

nodes/hosts/common/programs/nixverse.nix

@@ -1,6 +0,0 @@
-{ pkgs, ... }: {
-  environment.systemPackages = [
-    pkgs'.nixverse
-  ];
-}
-