Remove RGB_DI_PIN ifdefs (#20218)

keyboards/star75/config.h

@@ -11,7 +11,6 @@ SPDX-License-Identifier: GPL-2.0-or-later */
 
 #define RGB_DI_PIN B3
 
-#ifdef RGB_DI_PIN
 #define RGBLIGHT_EFFECT_BREATHING
 #define RGBLIGHT_EFFECT_RAINBOW_MOOD
 #define RGBLIGHT_EFFECT_RAINBOW_SWIRL
@@ -30,4 +29,3 @@ SPDX-License-Identifier: GPL-2.0-or-later */
 #define RGBLIGHT_VAL_STEP 8
 #define RGBLIGHT_LIMIT_VAL 180
 #define RGBLIGHT_LAYERS_OVERRIDE_RGB_OFF
-#endif