Revert bbdbf9a: ScriptTimeMode was not the best solution for economy/calendar support

src/script/api/script_object.cpp

@@ -200,16 +200,6 @@ ScriptObject::ActiveInstance::~ActiveInstance()
 	return GetStorage()->allow_do_command;
 }
 
-/* static */ void ScriptObject::SetTimeMode(bool calendar)
-{
-	GetStorage()->time_mode = calendar;
-}
-
-/* static */ bool ScriptObject::IsCalendarTimeMode()
-{
-	return GetStorage()->time_mode;
-}
-
 /* static */ void ScriptObject::SetCompany(CompanyID company)
 {
 	if (GetStorage()->root_company == INVALID_OWNER) GetStorage()->root_company = company;