Geeetech: Add E180, clean up A30 (#16072)

config/examples/Geeetech/A30/Configuration.h

@@ -1603,6 +1603,7 @@
  *
  */
 #define SDSUPPORT
+#define SDIO_SUPPORT
 
 /**
  * SD CARD: SPI SPEED
@@ -1682,7 +1683,7 @@
 //
 // Add individual axis homing items (Home X, Home Y, and Home Z) to the LCD menu.
 //
-#define INDIVIDUAL_AXIS_HOMING_MENU //free
+#define INDIVIDUAL_AXIS_HOMING_MENU
 
 //
 // SPEAKER/BUZZER
@@ -2072,7 +2073,7 @@
 // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
 // which is not as annoying as with the hardware PWM. On the other hand, if this frequency
 // is too low, you should also increment SOFT_PWM_SCALE.
-#define FAN_SOFT_PWM //costs 2b //enables parts fan speed control
+#define FAN_SOFT_PWM
 
 // Incrementing this by 1 will double the software PWM frequency,
 // affecting heaters, and the fan if FAN_SOFT_PWM is enabled.