config: Don't use arduino mega aliases in example config files

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

config/printer-wanhao-duplicator-i3-mini-2017.cfg

@@ -7,48 +7,48 @@
 # See docs/Config_Reference.md for a description of parameters.
 
 [stepper_x]
-step_pin: ar22
-dir_pin: !ar23
-enable_pin: !ar57
+step_pin: PA0
+dir_pin: !PA1
+enable_pin: !PF3
 microsteps: 16
 rotation_distance: 40
-endstop_pin: ^!ar19
+endstop_pin: ^!PD2
 position_endstop: 120
 position_max: 120
 homing_speed: 30.0
 
 [stepper_y]
-step_pin: ar25
-dir_pin: ar26
-enable_pin: !ar24
+step_pin: PA3
+dir_pin: PA4
+enable_pin: !PA2
 microsteps: 16
 rotation_distance: 40
-endstop_pin: ^!ar18
+endstop_pin: ^!PD3
 position_endstop: 0
 position_max: 135
 homing_speed: 30.0
 
 [stepper_z]
-step_pin: ar29
-dir_pin: ar39
-enable_pin: !ar28
+step_pin: PA7
+dir_pin: PG2
+enable_pin: !PA6
 microsteps: 16
 rotation_distance: 8
-endstop_pin: ^!ar38
+endstop_pin: ^!PD7
 position_endstop: 0.5
 position_max: 100
 
 [extruder]
-step_pin: ar55
-dir_pin: !ar56
-enable_pin: !ar54
+step_pin: PF1
+dir_pin: !PF2
+enable_pin: !PF0
 microsteps: 16
 rotation_distance: 34.043
 nozzle_diameter: 0.400
 filament_diameter: 1.750
-heater_pin: ar4
+heater_pin: PG5
 sensor_type: NTC 100K MGB18-104F39050L32
-sensor_pin: analog13
+sensor_pin: PK5
 control: pid
 pid_Kp: 22.2
 pid_Ki: 1.08
@@ -57,11 +57,10 @@ min_temp: 1
 max_temp: 265
 
 [fan]
-pin: ar12
+pin: PB6
 
 [mcu]
 serial: /dev/serial/by-id/usb-1a86_USB2.0-Serial-if00-port0
-pin_map: arduino
 
 [printer]
 kinematics: cartesian
@@ -72,9 +71,9 @@ max_z_accel: 100
 
 [display]
 lcd_type: uc1701
-cs_pin: ar41
-a0_pin: ar40
-rst_pin: ar27
-click_pin: ^!ar5
-encoder_pins: ^ar3, ^ar2
-kill_pin: ar64
+cs_pin: PG0
+a0_pin: PG1
+rst_pin: PA5
+click_pin: ^!PE3
+encoder_pins: ^PE5, ^PE4
+kill_pin: PK2