config: Update example configs to use rotation_distance

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

config/printer-adimlab-2018.cfg

@@ -7,7 +7,8 @@
 step_pin: ar25
 dir_pin: !ar23
 enable_pin: !ar27
-step_distance: .0125
+microsteps: 16
+rotation_distance: 40
 endstop_pin: ^!ar22
 position_min: -5
 position_endstop: -5
@@ -18,7 +19,8 @@ homing_speed: 30.0
 step_pin: ar32
 dir_pin: !ar33
 enable_pin: !ar31
-step_distance: .0125
+microsteps: 16
+rotation_distance: 40
 endstop_pin: ^!ar26
 position_endstop: 0
 position_max: 310
@@ -28,7 +30,8 @@ homing_speed: 30.0
 step_pin: ar35
 dir_pin: ar36
 enable_pin: !ar34
-step_distance: .0025
+microsteps: 16
+rotation_distance: 8
 endstop_pin: ^!ar29
 position_endstop: 0.0
 position_max: 400
@@ -38,7 +41,8 @@ homing_speed: 5.0
 step_pin: ar42
 dir_pin: ar43
 enable_pin: !ar37
-step_distance: .010799
+microsteps: 16
+rotation_distance: 34.557
 nozzle_diameter: 0.400
 filament_diameter: 1.750
 heater_pin: ar2