`image_order_limit` helper docstring mentions no hard bounds if no argument is passed but default argument set to 3

[DevarshiChoudhury]

https://github.com/xpsi-group/xpsi/blob/6aeef9a0d35620be3195aabd9844e365bd0be0c4/xpsi/module_generator.py#L1281C27-L1281C27