extdev: remove unused function

Signed-off-by: Felix Fietkau <nbd@nbd.name>

extdev.c

@@ -134,13 +134,6 @@ netifd_extdev_create(struct extdev_device *edev, struct blob_attr *msg)
 				     NULL, NULL);
 }
 
-static inline int
-netifd_extdev_config_init(struct extdev_device *edev, struct blob_attr *msg)
-{
-	return netifd_extdev_invoke(edev->etype->peer_id, __extdev_methods[METHOD_CONFIG_INIT],
-				     msg, NULL, NULL);
-}
-
 static inline int
 netifd_extdev_reload(struct extdev_device *edev, struct blob_attr *msg)
 {