Move backlight config to data driven (#19910)

keyboards/ok60/config.h

@@ -31,13 +31,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
 #define MATRIX_ROW_PINS { B5, B4, D7, D6, D4 }
 #define MATRIX_COL_PINS { D0, D1, D2, D3, D5, B6, C6, C7, F1, F0, E6, B3, B2, B1, B0 }
 
-#define BACKLIGHT_PIN B7
-
 /* COL2ROW or ROW2COL */
 #define DIODE_DIRECTION COL2ROW
 
-#define BACKLIGHT_LEVELS 5
-
 /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
 #define LOCKING_SUPPORT_ENABLE