Remove abbrs.

Marlin/Configuration.h

 
 // The RepRapDiscount Smart Controller
 // http://reprap.org/wiki/RepRapDiscount_Smart_Controller
-//#define REPRAPDISCOUNTSC
+//#define REPRAP_DISCOUNT_SMART_CONTROLLER
 
 
 //automatic expansion

Marlin/pins.h

     #define encrot2 3
     #define encrot3 1
 
-    #ifdef REPRAPDISCOUNTSC
+    #ifdef REPRAP_DISCOUNT_SMART_CONTROLLER
       // Override partially the above definitions
       #define KILL_PIN 41
       #define LCD_PINS_RS 16