Move RGB_MATRIX_DRIVER to data driven (#20350)

keyboards/tkc/portico/info.json

@@ -8,6 +8,9 @@
         "pid": "0x0008",
         "device_version": "0.0.1"
     },
+    "rgb_matrix": {
+        "driver": "IS31FL3731"
+    },
     "matrix_pins": {
         "cols": ["D3", "D5", "D4", "D6", "D7", "B4", "B5", "F6", "F5", "F4", "F1", "B0", "B1", "B2", "B3"],
         "rows": ["B6", "C6", "C7", "F7", "D2"]

keyboards/tkc/portico/rules.mk

@@ -11,7 +11,6 @@ BACKLIGHT_ENABLE = no          # Enable keyboard backlight functionality
 RGBLIGHT_ENABLE = no           # Enable keyboard RGB underglow
 AUDIO_ENABLE = no              # Audio output
 RGB_MATRIX_ENABLE = no
-RGB_MATRIX_DRIVER = IS31FL3731
 CIE1931_CURVE = yes
 
 # project specific files