Move RGB_MATRIX_DRIVER to data driven (#20350)

keyboards/system76/launch_1/info.json

@@ -10,6 +10,9 @@
     "ws2812": {
         "pin": "E2"
     },
+    "rgb_matrix": {
+        "driver": "WS2812"
+    },
     "matrix_pins": {
         "cols": ["D7", "C7", "C6", "B6", "B5", "B4", "D6", "D4", "E6", "D5", "D3", "D2", "B7", "B0"],
         "rows": ["F0", "F1", "F4", "F5", "F6", "F7"]

keyboards/system76/launch_1/rules.mk

@@ -17,7 +17,6 @@ RAW_ENABLE = yes            # Raw HID commands (used by Keyboard Configurator)
 BACKLIGHT_ENABLE = no       # RGB backlight (conflicts with RGB matrix)
 RGBLIGHT_ENABLE = no        # Enable keyboard RGB underglow
 RGB_MATRIX_ENABLE = yes     # RGB matrix
-RGB_MATRIX_DRIVER = WS2812
 RGB_MATRIX_CUSTOM_KB = yes  # Custom keyboard effects
 AUDIO_ENABLE = no           # Audio output
 LTO_ENABLE = yes            # Link-time optimization for smaller binary