Plugwise climate: remove extra_state_attributes property (#98153)

* Remove extra_state_attributes property, replaced by a number

* Support HVAC_Mode in set_temperature()

* Remove set_temperature() update, as requested

homeassistant/components/plugwise/climate.py

@@ -1,7 +1,6 @@
 """Plugwise Climate component for Home Assistant."""
 from __future__ import annotations
 
-from collections.abc import Mapping
 from typing import Any
 
 from homeassistant.components.climate import (
@@ -145,14 +144,6 @@ class PlugwiseClimateEntity(PlugwiseEntity, ClimateEntity):
         """Return the current preset mode."""
         return self.device.get("active_preset")
 
-    @property
-    def extra_state_attributes(self) -> Mapping[str, Any] | None:
-        """Return entity specific state attributes."""
-        return {
-            "available_schemas": self.device["available_schedules"],
-            "selected_schema": self.device["select_schedule"],
-        }
-
     @plugwise_command
     async def async_set_temperature(self, **kwargs: Any) -> None:
         """Set new target temperature."""