Move RGBLIGHT_LIMIT_VAL to data driven (#20974)

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

keyboards/keyhive/ergosaurus/info.json

@@ -10,6 +10,9 @@
     "ws2812": {
         "pin": "B6"
     },
+    "rgblight": {
+        "max_brightness": 200
+    },
     "matrix_pins": {
         "cols": ["D7", "C6", "D0", "D1", "F7", "B1", "B3", "B2"],
         "rows": ["B5", "B4", "E6", "D4", "F6", "D3", "D2", "F4", "F5"]