Update pins for final RemRam v1.3 board (#12125)

Marlin/src/pins/pins_REMRAM_V1.h

 #define SERVO0_PIN         26   // PWM_EXT1
 #define SERVO1_PIN         27   // PWM_EXT2
 
-#define SDSS                9
+#define SDSS               57   // Onboard SD card reader
+//#define SDSS              9   // LCD SD card reader
 #define LED_PIN            21   // STATUS_LED
-#define KILL_PIN           57
 
 //
 // LCD / Controller