[FIX]allow_negative_leave_and_allocation:fix duration check

allow_negative_leave_and_allocation/models/hr_leave_allocation.py

@@ -15,5 +15,4 @@ class HrLeaveAllocation(models.Model):
          "(holiday_type='department' AND department_id IS NOT NULL) or "
          "(holiday_type='company' AND mode_company_id IS NOT NULL))",
          "The employee, department, company or employee category of this request is missing. Please make sure that your user login is linked to an employee."),
-        ('duration_check', "CHECK((allocation_type != 'regular'))", "The duration must be greater than 0."),
     ]