[IMP] hr-luncheon-voucher: move resource code to dedicated addon

Moves code in add-on hr_effective_attendance_period

hr-luncheon-voucher/models/__init__.py

@@ -3,6 +3,5 @@
 from . import calendar_event_type
 from . import hr_employee
 from . import hr_lv_allocation
-from . import resource
 from . import res_company
 from . import res_config_settings