Migrate RGB Matrix config to info.json - B (#22806)

keyboards/boardsource/unicorne/config.h

@@ -2,10 +2,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 #pragma once
 
-#define RGB_MATRIX_LED_COUNT 54
-#define RGB_MATRIX_DEFAULT_MODE RGB_MATRIX_ALPHAS_MODS
-#define RGB_MATRIX_SLEEP
-
 #define RP2040_BOOTLOADER_DOUBLE_TAP_RESET
 
 #define I2C_DRIVER I2CD1

keyboards/boardsource/unicorne/info.json

@@ -54,6 +54,9 @@
             "gradient_left_right": true,
             "gradient_up_down": true
         },
+        "default": {
+            "animation": "alphas_mods"
+        },
         "max_brightness": 150,
         "split_count": [27, 27],
         "driver": "ws2812",
@@ -112,7 +115,8 @@
             {"matrix": [4, 0], "x": 0, "y": 7, "flags": 1},
             {"matrix": [5, 0], "x": 0, "y": 24, "flags": 1},
             {"matrix": [6, 0], "x": 0, "y": 41, "flags": 1}
-        ]
+        ],
+        "sleep": true
     },
     "community_layouts": ["split_3x6_3"],
     "layouts": {