Remove matrix size defines (#19581)

keyboards/mxss/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 5
-#define MATRIX_COLS 15
-
 /* matrix pin configuration */
 #define MATRIX_ROW_PINS { F4, F1, F7, B1, B7 }
 #define MATRIX_COL_PINS { D7, D6, D4, D0, C6, B6, D1, B5, D2, B4, D3, D5, B0, B2, B3 }