Cleanup unused renault base entity method (#167643)

homeassistant/components/renault/entity.py

@@ -3,12 +3,10 @@
 from __future__ import annotations
 
 from dataclasses import dataclass
-from typing import cast
 
 from renault_api.kamereon.models import KamereonVehicleDataAttributes
 
 from homeassistant.helpers.entity import Entity, EntityDescription
-from homeassistant.helpers.typing import StateType
 from homeassistant.helpers.update_coordinator import CoordinatorEntity
 
 from .coordinator import RenaultDataUpdateCoordinator
@@ -54,10 +52,6 @@ class RenaultDataEntity[T: KamereonVehicleDataAttributes](
         super().__init__(vehicle.coordinators[description.coordinator])
         RenaultEntity.__init__(self, vehicle, description)
 
-    def _get_data_attr(self, key: str) -> StateType:
-        """Return the attribute value from the coordinator data."""
-        return cast(StateType, getattr(self.coordinator.data, key))
-
     @property
     def assumed_state(self) -> bool:
         """Return True if unable to access real state of the entity."""