refactor: remove non-functional entity_registry_enabled_default_fn callbacks

The base PL_PetEntity.entity_registry_enabled_default property uses an
'or super()' fallback that defaults to True, meaning these callbacks
could never actually disable entities. Remove them rather than ship
dead code.

Author: jasoncronje

custom_components/petlibro/pets/entity.py

@@ -563,10 +563,6 @@ async def _async_update_avatar(self, url: str | None) -> None:
             name="Today's Fountain Drinking Count",
             icon="mdi:water-plus",
             state_class=SensorStateClass.TOTAL_INCREASING,
-            entity_registry_enabled_default_fn=lambda pet, _: any(
-                d.get("productName") == "Dockstream Smart RFID Fountain"
-                for d in pet.boundDevices
-            ),
         ),
         PL_PetSensorEntityDescription(
             key="today_fountain_drinking_amount",
@@ -577,10 +573,6 @@ async def _async_update_avatar(self, url: str | None) -> None:
             device_class=SensorDeviceClass.VOLUME,
             native_unit_of_measurement=UnitOfVolume.MILLILITERS,
             petlibro_unit=API.WATER_UNIT,
-            entity_registry_enabled_default_fn=lambda pet, _: any(
-                d.get("productName") == "Dockstream Smart RFID Fountain"
-                for d in pet.boundDevices
-            ),
         ),
         PL_PetSensorEntityDescription(
             key="today_fountain_drinking_time",
@@ -590,10 +582,6 @@ async def _async_update_avatar(self, url: str | None) -> None:
             state_class=SensorStateClass.TOTAL_INCREASING,
             device_class=SensorDeviceClass.DURATION,
             native_unit_of_measurement=UnitOfTime.SECONDS,
-            entity_registry_enabled_default_fn=lambda pet, _: any(
-                d.get("productName") == "Dockstream Smart RFID Fountain"
-                for d in pet.boundDevices
-            ),
         ),
     ),
     PL_PetImageEntity: (