Remove obsolete workarounds now that uboot makes 21.11 work

configuration.nix

@@ -33,8 +33,6 @@
     };
   };
 
-  security.hideProcessInformation = true;
-
   environment.systemPackages = with pkgs;
   [
     wget vimHugeX curl git htop tmux manpages

hardware-configuration.nix

@@ -5,6 +5,8 @@
   boot.loader.raspberryPi = {
     enable = true;
     version = 3;
+    uboot.enable = true;
+    uboot.configurationLimit = 1;
     firmwareConfig = ''
       gpu_mem=192
       dtparam=audio=on

inquisitor.nix

@@ -21,6 +21,7 @@ let
   # Define the inquisitor service user
   inquisitorUser = {
     name = "inquisitor";
+    group = "inquisitor";
     description = "Inquisitor service user";
     isSystemUser = true;
     shell = pkgs.bashInteractive;
@@ -77,6 +78,7 @@ let
 in
 {
   users.users.inquisitor = inquisitorUser;
+  users.groups.inquisitor = {};
 
   # Link the config in /etc to avoid envvar shenanigans
   environment.etc."inquisitor.conf".source = "${inquisitorConfig}";