Remove matrix size defines (#19581)

keyboards/handwired/fc200rt_qmk/config.h

@@ -18,10 +18,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #pragma once
 
 
-/* key matrix size */
-#define MATRIX_ROWS 8
-#define MATRIX_COLS 16
-
 #define MATRIX_ROW_PINS { B0, B1, B2, B3, E6, B7, D0, D1 }
 #define MATRIX_COL_PINS { D2, D3, C6, C7, D5, D4, D6, D7, B4, B5, B6, F7, F6, F5, F4, F1 }