When exporting to "Brush Labels to coco", Ghost Keypoints used to prompt Sam2 have no 'x' and make an error

So in label_studio_sdk/converter.py line 819, I did comment the keypoint treatment. I don't need them and it allowed me to go further but this is surely not the good way!

"""
if keypoint_labels:
kp_order = build_kp_order(self._schema)
annotations.append(process_keypoints_for_coco(
keypoint_labels,
kp_order,
annotation_id=len(annotations),
image_id=image_id,
category_name_to_id=category_name_to_id,
))
"""