Remove unnecessary extra attribute from Pi-hole sensors (#56076)

homeassistant/components/pi_hole/const.py

@@ -22,8 +22,6 @@ DEFAULT_STATISTICS_ONLY = True
 SERVICE_DISABLE = "disable"
 SERVICE_DISABLE_ATTR_DURATION = "duration"
 
-ATTR_BLOCKED_DOMAINS = "domains_blocked"
-
 MIN_TIME_BETWEEN_UPDATES = timedelta(minutes=5)
 
 DATA_KEY_API = "api"

homeassistant/components/pi_hole/sensor.py

@@ -14,7 +14,6 @@ from homeassistant.helpers.update_coordinator import DataUpdateCoordinator
 
 from . import PiHoleEntity
 from .const import (
-    ATTR_BLOCKED_DOMAINS,
     DATA_KEY_API,
     DATA_KEY_COORDINATOR,
     DOMAIN as PIHOLE_DOMAIN,
@@ -69,8 +68,3 @@ class PiHoleSensor(PiHoleEntity, SensorEntity):
             return round(self.api.data[self.entity_description.key], 2)
         except TypeError:
             return self.api.data[self.entity_description.key]
-
-    @property
-    def extra_state_attributes(self) -> dict[str, Any]:
-        """Return the state attributes of the Pi-hole."""
-        return {ATTR_BLOCKED_DOMAINS: self.api.data["domains_being_blocked"]}