Migrate rgblight.pin and RGB_DI_PIN to ws2812.pin (#20303)

keyboards/keyhive/ergosaurus/config.h

@@ -18,7 +18,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #pragma once
 
 #ifdef RGBLIGHT_ENABLE
-#    define RGB_DI_PIN B6
    #define RGBLED_NUM 32
    #define RGBLIGHT_HUE_STEP 8
    #define RGBLIGHT_SAT_STEP 8

keyboards/keyhive/ergosaurus/info.json

@@ -7,6 +7,9 @@
         "pid": "0xE590",
         "device_version": "0.0.1"
     },
+    "ws2812": {
+        "pin": "B6"
+    },
     "matrix_pins": {
         "cols": ["D7", "C6", "D0", "D1", "F7", "B1", "B3", "B2"],
         "rows": ["B5", "B4", "E6", "D4", "F6", "D3", "D2", "F4", "F5"]