Move RGB_MATRIX_DRIVER to data driven (#20350)

keyboards/dztech/dz60rgb/v2_1/info.json

@@ -3,6 +3,9 @@
         "pid": "0x1121",
         "device_version": "2.1.0"
     },
+    "rgb_matrix": {
+        "driver": "IS31FL3733"
+    },
     "matrix_pins": {
         "cols": ["C7", "F7", "F6", "F0", "B0", "B1", "B4", "D7", "D6", "D4", "D5", "D3", "D2", "B7"],
         "rows": ["F5", "F4", "F1", "B3", "B2"]

keyboards/dztech/dz60rgb/v2_1/rules.mk

@@ -13,7 +13,6 @@ BACKLIGHT_ENABLE = no          # Enable keyboard backlight functionality
 RGBLIGHT_ENABLE = no           # Enable keyboard RGB underglow
 AUDIO_ENABLE = no              # Audio output
 RGB_MATRIX_ENABLE = yes        # Use RGB matrix
-RGB_MATRIX_DRIVER = IS31FL3733
 NO_USB_STARTUP_CHECK = no      # Disable initialization only when usb is plugged in
 LTO_ENABLE = yes