MKS Robin pins updates

Marlin/src/pins/stm32f1/pins_MKS_ROBIN_E3_common.h

@@ -200,7 +200,7 @@
     #define DOGLCD_SCK               EXP2_09_PIN
     #define FORCE_SOFT_SPI
     #define SOFTWARE_SPI
-	  //#define LCD_SCREEN_ROT_180
+    //#define LCD_SCREEN_ROT_180
 
   #else
 

Marlin/src/pins/stm32f1/pins_MKS_ROBIN_NANO_V2.h

@@ -336,19 +336,6 @@
     #ifndef BEEPER_PIN
       #define BEEPER_PIN                    -1
     #endif
-  
-  #elif ENABLED(MKS_MINI_12864_V3)
-    #define DOGLCD_CS                       PD13
-    #define DOGLCD_A0                       PC6
-    #define LCD_PINS_DC                DOGLCD_A0
-    #define LCD_BACKLIGHT_PIN               -1
-    #define LCD_RESET_PIN                   PE14
-    #define NEOPIXEL_PIN                    PE15
-    #define DOGLCD_MOSI                     PA7
-    #define DOGLCD_SCK                      PA5
-    #if SD_CONNECTION_IS(ONBOARD)
-      #define FORCE_SOFT_SPI
-    #endif
 
   #elif ENABLED(MKS_MINI_12864_V3)
     #define DOGLCD_CS                       PD13

Marlin/src/pins/stm32f4/pins_MKS_ROBIN_NANO_V3.h

@@ -375,19 +375,6 @@
     // Required for MKS_MINI_12864 with this board
     //#define MKS_LCD12864B
     //#undef SHOW_BOOTSCREEN
-  
-  #elif ENABLED(MKS_MINI_12864_V3)
-    #define DOGLCD_CS                       PD13
-    #define DOGLCD_A0                       PC6
-    #define LCD_PINS_DC                DOGLCD_A0
-    #define LCD_BACKLIGHT_PIN               -1
-    #define LCD_RESET_PIN                   PE14
-    #define NEOPIXEL_PIN                    PE15
-    #define DOGLCD_MOSI                     PA7
-    #define DOGLCD_SCK                      PA5
-    #if SD_CONNECTION_IS(ONBOARD)
-      #define FORCE_SOFT_SPI
-    #endif
 
   #elif ENABLED(MKS_MINI_12864_V3)
     #define DOGLCD_CS                EXP1_08_PIN