probe: Convert probe.get_lift_speed() to probe.get_print_params()

Add a get_print_params() method that can extract all the common
probing parameters.  Replace get_lift_speed() with this more general
function.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

klippy/extras/axis_twist_compensation.py

@@ -95,7 +95,7 @@ class Calibrater:
             config = self.printer.lookup_object('configfile')
             raise config.error(
                 "AXIS_TWIST_COMPENSATION requires [probe] to be defined")
-        self.lift_speed = self.probe.get_lift_speed()
+        self.lift_speed = self.probe.get_probe_params()['lift_speed']
         self.probe_x_offset, self.probe_y_offset, _ = \
             self.probe.get_offsets()