Revert "Add all of iogamaster modules"

This reverts commit fa99b32cad.

lib/module/default.nix

@@ -1,15 +0,0 @@
-{ lib, ... }:
-with lib;
-rec {
-  mkOpt =
-    type: default: description:
-    mkOption { inherit type default description; };
-
-  mkOpt' = type: default: mkOpt type default null;
-
-  mkBoolOpt = mkOpt types.bool;
-
-  mkBoolOpt' = mkOpt' types.bool;
-
-  mkEnableOpt = mkBoolOpt' false;
-}