Revert "Improve handling of errors in lua functions and speed up calls. (#1427)"

This reverts commit f10e3ae36a.

(it was a joke PR, do not fear)

src/Actor.cpp

@@ -1297,7 +1297,8 @@ void Actor::RunCommands( const LuaReference& cmds, const LuaReference *pParamTab
 		pParamTable->PushSelf( L );
 
 	// call function with 2 arguments and 0 results
-	LuaHelpers::RunScriptOnStack(L, 2, 0);
+	RString Error= "Error playing command:";
+	LuaHelpers::RunScriptOnStack(L, Error, 2, 0, true);
 
 	LUA->Release(L);
 }