Move RGBLIGHT_LIMIT_VAL to data driven (#20974)

Co-authored-by: Nick Brassel <nick@tzarc.org>

keyboards/handwired/p65rgb/config.h

@@ -23,7 +23,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RGB_MATRIX_LED_PROCESS_LIMIT 4
 #define RGB_MATRIX_LED_FLUSH_LIMIT 26
 #define RGB_MATRIX_LED_COUNT 83
-#define RGBLIGHT_LIMIT_VAL 180
 // RGB Matrix Animation modes. Explicitly enabled
 // For full list of effects, see:
 // https://docs.qmk.fm/#/feature_rgb_matrix?id=rgb-matrix-effects

keyboards/handwired/p65rgb/info.json

@@ -14,6 +14,9 @@
     "rgb_matrix": {
         "driver": "WS2812"
     },
+    "rgblight": {
+        "max_brightness": 180
+    },
     "matrix_pins": {
         "cols": ["E6", "F0", "F1", "F4", "F5", "F6", "F7", "B0", "B1", "B2", "B3", "B7", "D0", "D1", "D2", "D3", "D7"],
         "rows": ["C7", "C6", "B6", "B5", "D5"]