Remove a test from pins_RAMPS_13.h

- Add 3 new lines to `pins.h` to remove 2 redundant tests in
`pins_RAMPS_13.h`

Marlin/pins.h

@@ -34,7 +34,10 @@
   #include "pins_SETHI.h"
 #elif MB(RAMPS_OLD)
   #include "pins_RAMPS_OLD.h"
-#elif MB(RAMPS_13_EFB) || MB(RAMPS_13_EEB) || MB(RAMPS_13_EFF) || MB(RAMPS_13_EEF) || MB(RAMPS_13_SF)
+#elif MB(RAMPS_13_EFB)
+  #define IS_RAMPS_EFB
+  #include "pins_RAMPS_13.h"
+#elif MB(RAMPS_13_EEB) || MB(RAMPS_13_EFF) || MB(RAMPS_13_EEF) || MB(RAMPS_13_SF)
   #include "pins_RAMPS_13.h"
 #elif MB(GEN6)
   #include "pins_GEN6.h"

Marlin/pins_RAMPS_13.h

@@ -77,7 +77,7 @@
   #define FILRUNOUT_PIN        4
 #endif
 
-#if MB(RAMPS_13_EFB) || MB(RAMPS_13_EFF) || defined(IS_RAMPS_EFB)
+#if MB(RAMPS_13_EFF) || defined(IS_RAMPS_EFB)
   #define FAN_PIN            9 // (Sprinter config)
   #if MB(RAMPS_13_EFF)
     #define CONTROLLERFAN_PIN  -1 // Pin used for the fan to cool controller
@@ -102,7 +102,7 @@
   #define HEATER_0_PIN       10   // EXTRUDER 1
 #endif
 
-#if MB(RAMPS_13_EFB) || MB(RAMPS_13_SF) || defined(IS_RAMPS_EFB)
+#if MB(RAMPS_13_SF) || defined(IS_RAMPS_EFB)
   #define HEATER_1_PIN       -1
 #else
   #define HEATER_1_PIN       9    // EXTRUDER 2 (FAN On Sprinter)