Remove RGB_DI_PIN ifdefs (#20218)

keyboards/cmm_studio/fuji65/config.h

@@ -17,7 +17,6 @@
 #pragma once
 
 #define RGB_DI_PIN E6
-#ifdef RGB_DI_PIN
     #define RGBLED_NUM 8
     #define RGBLIGHT_HUE_STEP 8
     #define RGBLIGHT_SAT_STEP 8
@@ -33,7 +32,6 @@
     #define RGBLIGHT_EFFECT_STATIC_GRADIENT
     #define RGBLIGHT_EFFECT_RGB_TEST
     #define RGBLIGHT_EFFECT_ALTERNATING
-#endif
 
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