Move RGBLIGHT_LIMIT_VAL to data driven (#20974)

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

keyboards/ein_60/config.h

@@ -33,7 +33,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #    define RGBLIGHT_HUE_STEP  4
 #    define RGBLIGHT_SAT_STEP  8
 #    define RGBLIGHT_VAL_STEP  8
-#    define RGBLIGHT_LIMIT_VAL 200 /* The maximum brightness level */
 #    define RGBLIGHT_SLEEP         /* If defined, the RGB lighting will be switched off when the host goes to sleep */
 #    define RGBLIGHT_EFFECT_BREATHING
 #    define RGBLIGHT_EFFECT_RAINBOW_MOOD

keyboards/ein_60/info.json

@@ -11,6 +11,9 @@
     "rgb_matrix": {
         "driver": "WS2812"
     },
+    "rgblight": {
+        "max_brightness": 200
+    },
     "matrix_pins": {
         "cols": ["A3", "A2", "A1", "A0", "F6", "F5", "F0", "E0", "E1", "C0", "C1", "C2", "C3"],
         "rows": ["F1", "F2", "F3", "F4"]