Move RGB_MATRIX_DRIVER to data driven (#20350)

keyboards/bastardkb/charybdis/3x5/v2/elitec/info.json

@@ -6,6 +6,9 @@
     "ws2812": {
         "pin": "D3"
     },
+    "rgb_matrix": {
+        "driver": "WS2812"
+    },
     "matrix_pins": {
         "cols": ["F5", "B6", "D7", "E6", "B4"],
         "rows": ["F7", "C6", "D4", "B5"]

keyboards/bastardkb/charybdis/3x5/v2/elitec/rules.mk

@@ -15,7 +15,6 @@ AUDIO_SUPPORTED = no        # Audio is not supported
 RGB_MATRIX_SUPPORTED = yes  # RGB matrix is supported and enabled by default
 RGBLIGHT_SUPPORTED = yes    # RGB underglow is supported, but not enabled by default
 RGB_MATRIX_ENABLE = yes     # Enable keyboard RGB matrix functionality
-RGB_MATRIX_DRIVER = WS2812
 
 # Charybdis nano is a split 3x5 keyboard with a maximum of 3 thumb keys (2 on
 # the trackball side).