config: Update example configs to use rotation_distance

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

config/printer-tevo-tarantula-pro-2020.cfg

@@ -11,7 +11,8 @@
 step_pin: ar54
 dir_pin: !ar55
 enable_pin: !ar38
-step_distance: 0.012583
+microsteps: 16
+rotation_distance: 40
 endstop_pin: ^!ar3
 position_endstop: -2
 position_max: 220
@@ -22,7 +23,8 @@ homing_speed: 25.0
 step_pin: ar60
 dir_pin: ar61
 enable_pin: !ar56
-step_distance: 0.01256
+microsteps: 16
+rotation_distance: 40
 endstop_pin: ^!ar14
 position_endstop: 0
 position_max: 220
@@ -32,7 +34,8 @@ homing_speed: 25.0
 step_pin: ar46
 dir_pin: ar48
 enable_pin: !ar62
-step_distance: 0.002492
+microsteps: 16
+rotation_distance: 8
 endstop_pin: ^!ar18
 position_endstop: 0
 position_max: 200
@@ -42,13 +45,15 @@ position_max: 200
 #step_pin: ar36
 #dir_pin: ar34
 #enable_pin: !ar30
-#step_distance: 0.002492
+#microsteps: 16
+#rotation_distance: 8
 
 [extruder]
 step_pin: ar26
 dir_pin: ar28
 enable_pin: !ar24
-step_distance: 0.002470
+microsteps: 16
+rotation_distance: 7.904
 nozzle_diameter: 0.400
 filament_diameter: 1.75