fix: fixes

Signed-off-by: Rafal Zielinski <sq4ind@gmail.com>

custom_components/adguard_hub/sensor.py

@@ -1,9 +1,8 @@
 """Sensor platform for AdGuard Control Hub integration."""
 import logging
-from datetime import datetime, timezone
 from typing import Any
 
-from homeassistant.components.sensor import SensorEntity, SensorDeviceClass, SensorStateClass
+from homeassistant.components.sensor import SensorEntity, SensorStateClass
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import PERCENTAGE
 from homeassistant.core import HomeAssistant
@@ -100,7 +99,6 @@ class AdGuardBlockingPercentageSensor(AdGuardBaseSensor):
         self._attr_icon = "mdi:percent"
         self._attr_state_class = SensorStateClass.MEASUREMENT
         self._attr_native_unit_of_measurement = PERCENTAGE
-        self._attr_device_class = SensorDeviceClass.POWER_FACTOR
 
     @property
     def native_value(self) -> float | None: