Remove unreachable code

Author: bouwew

plugwise_usb/network/__init__.py

@@ -254,12 +254,10 @@ async def node_join_available_message(self, response: PlugwiseResponse) -> bool:
             raise MessageError(
                 f"Invalid response message type ({response.__class__.__name__}) received, expected NodeJoinAvailableResponse"
             )
+
         mac = response.mac_decoded
         await self._notify_node_event_subscribers(NodeEvent.JOIN, mac)
         return True
-        
-        _LOGGER.debug("Joining of available Node %s failed", mac)
-        return False
 
     async def node_rejoin_message(self, response: PlugwiseResponse) -> bool:
         """Handle NodeRejoinResponse messages."""