Move RGBLIGHT_SPLIT to data driven (#21190)

* Move `RGBLIGHT_SPLIT` to data driven

* Remove where `split_count` is already set

keyboards/handwired/brain/config.h

@@ -44,8 +44,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #define RGBLED_NUM 28  // Number of LEDs
 
-#define RGBLIGHT_SPLIT
-
 /*
  * Feature disable options
  *  These options are also useful to firmware size reduction.

keyboards/handwired/brain/info.json

@@ -20,6 +20,7 @@
         "pin": "D3"
     },
     "rgblight": {
+        "split": true,
         "max_brightness": 120
     },
     "split": {

keyboards/handwired/freoduo/config.h

@@ -20,7 +20,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* ws2812 RGB LED */
 #if !defined(RGBLED_NUM)
 #    define RGBLED_NUM 30
-#    define RGBLIGHT_SPLIT
 #    define RGBLIGHT_LAYERS
 #endif
 #define RGBLIGHT_EFFECT_BREATHING

keyboards/handwired/tractyl_manuform/5x6_right/elite_c/config.h

@@ -20,7 +20,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 // WS2812 RGB LED strip input and number of LEDs
 #define RGBLED_NUM      20
-#define RGBLIGHT_SPLIT
 
 #define AUDIO_PIN       C6
 

keyboards/handwired/tractyl_manuform/5x6_right/f303/config.h

@@ -30,7 +30,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define WS2812_DMA_CHANNEL  3  // DMA Channel for TIMx_UP, see the respective reference manual for the appropriate values for your MCU.
 
 #define RGBLED_NUM          20
-#define RGBLIGHT_SPLIT
 
 #define DEBUG_LED_PIN C13
 

keyboards/handwired/tractyl_manuform/5x6_right/f411/config.h

@@ -33,7 +33,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
 #define RGBLED_NUM          57
-#define RGBLIGHT_SPLIT
 
 #define DEBUG_LED_PIN      C13
 

keyboards/handwired/tractyl_manuform/5x6_right/teensy2pp/config.h

@@ -20,7 +20,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 // WS2812 RGB LED strip input and number of LEDs
 #define RGBLED_NUM      20
-#define RGBLIGHT_SPLIT
 #define RGBLIGHT_LIMIT_VAL 80
 
 #define DEBUG_LED_PIN   D6

keyboards/handwired/tsubasa/config.h

@@ -19,7 +19,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define MASTER_RIGHT
 
 #    define RGBLED_NUM 12
-#    define RGBLIGHT_SPLIT
 #    define RGBLIGHT_HUE_STEP 8
 #    define RGBLIGHT_SAT_STEP 1
 #    define RGBLIGHT_VAL_STEP 1