lib: remove unused __empty special case in toLuaObject

lib/lua.nix

@@ -65,9 +65,6 @@ in rec {
     then
       if isLuaInline args
       then args.expr
-      # if nobody is using this we should get rid of this
-      else if hasAttr "__empty" args
-      then "{ }"
       else
         "{"
         + (concatStringsSep ","

modules/wrapper/rc/config.nix

@@ -60,16 +60,11 @@
       config = (attrs) the configuration options for this mapping (noremap, silent...)
     }
     */
-    normalizeAction = action: let
+    normalizeAction = action: {
       # Extract the values of the config options that have been explicitly set by the user
       config =
         filterAttrs (_: v: v != null)
         (getAttrs (attrNames mapConfigOptions) action);
-    in {
-      config =
-        if config == {}
-        then {"__empty" = null;}
-        else config;
       action =
         if action.lua
         then mkLuaInline action.action