config: Update example configs to use rotation_distance

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

config/generic-mks-robin-e3.cfg

@@ -19,7 +19,8 @@
 step_pin: PC0
 dir_pin: PB2
 enable_pin: !PC13
-step_distance: .0125
+microsteps: 16
+rotation_distance: 40
 endstop_pin: ^PA12
 position_endstop: 0
 position_max: 165
@@ -29,7 +30,8 @@ homing_speed: 50
 step_pin: PC2
 dir_pin: PB9
 enable_pin: !PB12
-step_distance: .0125
+microsteps: 16
+rotation_distance: 40
 endstop_pin: ^PA11
 position_endstop: 0
 position_max: 165
@@ -39,7 +41,8 @@ homing_speed: 50
 step_pin: PB7
 dir_pin: !PB6
 enable_pin: !PB8
-step_distance: .0025
+microsteps: 16
+rotation_distance: 8
 endstop_pin: ^PC6
 position_endstop: 0
 position_max: 200
@@ -48,7 +51,8 @@ position_max: 200
 step_pin: PB4
 dir_pin: PB3
 enable_pin: !PB5
-step_distance: 0.010753
+microsteps: 16
+rotation_distance: 33.500
 nozzle_diameter: 0.400
 filament_diameter: 1.750
 heater_pin: PC9
@@ -63,28 +67,24 @@ max_temp: 250
 
 [tmc2209 stepper_x]
 uart_pin: PC7
-microsteps: 16
 run_current: 0.800
 hold_current: 0.500
 stealthchop_threshold: 250
 
 [tmc2209 stepper_y]
 uart_pin: PD2
-microsteps: 16
 run_current: 0.800
 hold_current: 0.500
 stealthchop_threshold: 250
 
 [tmc2209 stepper_z]
 uart_pin: PC12
-microsteps: 16
 run_current: 0.650
 hold_current: 0.450
 stealthchop_threshold: 30
 
 [tmc2209 extruder]
 uart_pin: PC11
-microsteps: 16
 run_current: 0.800
 hold_current: 0.500
 stealthchop_threshold: 5