Remove redundant disabling of features (#22926)

keyboards/miiiw/blackio83/info.json

@@ -6,7 +6,6 @@
     "debounce": 3,
     "diode_direction": "COL2ROW",
     "features": {
-        "backlight": false,
         "bootmagic": true,
         "command": false,
         "console": false,
@@ -15,8 +14,7 @@
         "extrakey": true,
         "mousekey": true,
         "nkro": true,
-        "rgb_matrix": true,
-        "rgblight": false
+        "rgb_matrix": true
     },
     "indicators": {
         "caps_lock": "B2",