Move RGB_MATRIX_DRIVER to data driven (#20350)

keyboards/kbdfans/kbd67/mkiirgb/v2/info.json

@@ -4,6 +4,9 @@
         "pid": "0x1225",
         "device_version": "0.0.2"
     },
+    "rgb_matrix": {
+        "driver": "IS31FL3731"
+    },
     "matrix_pins": {
         "cols": ["F7", "F6", "F5", "C7", "B0", "B1", "B2", "B3", "B4", "D7", "D6", "D4", "D5", "D3", "D2"],
         "rows": ["F0", "F1", "F4", "E6", "C6"]

keyboards/kbdfans/kbd67/mkiirgb/v2/rules.mk

@@ -10,5 +10,4 @@ NKRO_ENABLE = yes           # Enable N-Key Rollover
 BACKLIGHT_ENABLE = no      # Enable keyboard backlight functionality
 AUDIO_ENABLE = no           # Audio output
 RGB_MATRIX_ENABLE = yes     # Use RGB matrix
-RGB_MATRIX_DRIVER = IS31FL3731
 NO_USB_STARTUP_CHECK = no          # Disable initialization only when usb is plugged in