Remove entity description mixin in AirQ (#112377)

homeassistant/components/airq/sensor.py

@@ -37,18 +37,13 @@ from .const import (
 _LOGGER = logging.getLogger(__name__)
 
 
-@dataclass(frozen=True)
-class AirQEntityDescriptionMixin:
-    """Class for keys required by AirQ entity."""
+@dataclass(frozen=True, kw_only=True)
+class AirQEntityDescription(SensorEntityDescription):
+    """Describes AirQ sensor entity."""
 
     value: Callable[[dict], float | int | None]
 
 
-@dataclass(frozen=True)
-class AirQEntityDescription(SensorEntityDescription, AirQEntityDescriptionMixin):
-    """Describes AirQ sensor entity."""
-
-
 # Keys must match those in the data dictionary
 SENSOR_TYPES: list[AirQEntityDescription] = [
     AirQEntityDescription(