Move backlight config to data driven (#19910)

keyboards/handwired/co60/rev1/config.h

@@ -34,11 +34,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* COL2ROW, ROW2COL */
 #define DIODE_DIRECTION COL2ROW
 
-#ifdef __AVR__
-#define BACKLIGHT_PIN B7
-#define BACKLIGHT_BREATHING
-#endif
-
 /*
  * Feature disable options
  *  These options are also useful to firmware size reduction.

keyboards/handwired/co60/rev1/info.json

@@ -3,6 +3,10 @@
     "usb": {
         "device_version": "1.0.0"
     },
+    "backlight": {
+        "pin": "B7",
+        "breathing": true
+    },
     "processor": "atmega32u4",
     "bootloader": "atmel-dfu"
 }