[IMP] hr_holidays: Remove deprecated methods

closes odoo/odoo#62902

Related: odoo/enterprise#15161
Related: odoo/upgrade#2008
Signed-off-by: Yannick Tivisse (yti) <yti@odoo.com>

addons/hr_holidays/models/hr_leave.py

@@ -902,10 +902,6 @@ class HolidaysRequest(models.Model):
             result.append(meeting_values)
         return result
 
-    # YTI TODO: Remove me in master
-    def _prepare_holiday_values(self, employee):
-        return self._prepare_employees_holiday_values(employee)[0]
-
     def _prepare_employees_holiday_values(self, employees):
         self.ensure_one()
         work_days_data = employees._get_work_days_data_batch(self.date_from, self.date_to)

addons/hr_holidays/models/hr_leave_type.py

@@ -188,10 +188,6 @@ class HolidaysType(models.Model):
 
         return [('id', 'in', valid_leave_types.ids)]
 
-    # YTI TODO: Remove me in master
-    def get_days(self, employee_id):
-        return self.get_employees_days([employee_id])[employee_id]
-
     def get_employees_days(self, employee_ids):
         result = {
             employee_id: {