Remove superfluous/double code

Author: bouwew

plugwise/smile.py

@@ -487,11 +487,6 @@ async def _full_update_device(self) -> None:
             self._appliances = await self._request(APPLIANCES)
             await self._update_domain_objects()
 
-        if self.smile_type != "power":
-            await self._update_domain_objects()
-            if not self._smile_legacy:
-                self._appliances = await self._request(APPLIANCES)
-
     async def _update_domain_objects(self) -> None:
         """Helper-function for smile.py: full_update_device() and async_update().