Move matrix config to info.json, part 1 (#19985)

keyboards/9key/config.h

@@ -17,17 +17,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #pragma once
 
-
-/* 9Key PCB default pin-out */
-#define MATRIX_ROW_PINS { D1, D0, D4 }
-#define MATRIX_COL_PINS { F4, F5, F6 }
-
 /* ws2812 RGB LED */
 #define RGB_DI_PIN F7
 
 #define RGBLED_NUM 1    // Number of LEDs
 
-/* COL2ROW or ROW2COL */
-#define DIODE_DIRECTION COL2ROW
-
 #define TAPPING_TERM 200