Remove extra underscore from MASTER_RIGHT define

keyboards/lets_split/keymaps/pitty/config.h

@@ -11,7 +11,7 @@
 /* Select hand configuration */
 
 #define MASTER_LEFT
-// #define _MASTER_RIGHT
+// #define MASTER_RIGHT
 // #define EE_HANDS
 
 #define TAPPING_TOGGLE 2
@@ -23,4 +23,4 @@
 #define RGBLIGHT_SAT_STEP 8
 #define RGBLIGHT_VAL_STEP 8
 
-#endif
+#endif