Move fields from probe to specific subclasses.

[faridyagubbayli]

Describe the bug
Properties in the following lines do not belong to the Probe class, according to the standard. They should be moved to the respective subclasses.

https://github.com/waltsims/uff.py/blob/fb5de8c6f994e0f34dfbe3078cee75058afc02e2/src/uff/probe.py#L43-L48