Remove unneeded guard

Author: bouwew

plugwise_usb/nodes/circle.py

@@ -852,8 +852,7 @@ async def _load_from_cache(self) -> bool:
         result = True
         if not await super()._load_from_cache():
             _LOGGER.debug("_load_from_cache | super-load failed")
-            if result:
-                result = False
+            result = False
 
         # Calibration settings
         if not await self._calibration_load_from_cache():