config: Update example configs to use rotation_distance

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

config/generic-ultimaker-ultimainboard-v2.cfg

@@ -8,7 +8,8 @@
 step_pin: ar25
 dir_pin: !ar23
 enable_pin: !ar27
-step_distance: .0125
+microsteps: 16
+rotation_distance: 40
 endstop_pin: ^!ar22
 position_endstop: 0
 position_max: 230
@@ -18,7 +19,8 @@ homing_speed: 50.0
 step_pin: ar32
 dir_pin: ar33
 enable_pin: !ar31
-step_distance: .0125
+microsteps: 16
+rotation_distance: 40
 endstop_pin: ^!ar26
 position_endstop: 225
 position_max: 225
@@ -28,7 +30,8 @@ homing_speed: 50.0
 step_pin: ar35
 dir_pin: !ar36
 enable_pin: !ar34
-step_distance: .005
+microsteps: 16
+rotation_distance: 40
 endstop_pin: ^!ar29
 position_endstop: 215
 position_max: 215
@@ -38,7 +41,8 @@ homing_speed: 20.0
 step_pin: ar42
 dir_pin: ar43
 enable_pin: !ar37
-step_distance: .003546
+microsteps: 16
+rotation_distance: 33.500
 nozzle_diameter: 0.400
 filament_diameter: 2.850
 heater_pin: ar2
@@ -56,7 +60,8 @@ max_temp: 275
 #step_pin: ar49
 #dir_pin: ar47
 #enable_pin: !ar48
-#step_distance: .003546
+#microsteps: 16
+#rotation_distance: 33.500
 #nozzle_diameter: 0.400
 #filament_diameter: 2.850
 #heater_pin: ar3