Move RGBLED_NUM to data driven (#21278)

keyboards/obosob/arch_36/config.h

@@ -17,10 +17,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #pragma once
 
-#ifdef RGBLIGHT_ENABLE
-#define RGBLED_NUM 12
-#endif
-
 #define OLED_DISPLAY_128X64
 
 #define EE_HANDS

keyboards/obosob/arch_36/info.json

@@ -17,6 +17,7 @@
         "soft_serial_pin": "D2"
     },
     "rgblight": {
+        "led_count": 12,
         "led_map": [0, 1, 2, 3, 4, 5, 11, 10, 9, 8, 7, 6],
         "split_count": [6, 6]
     },