Remove matrix size defines (#19581)

keyboards/bacca70/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 12
-#define MATRIX_COLS 8
-
 //                         0   1   2   3   4   5   6   7   8    9   A    B
 #define MATRIX_ROW_PINS { A3, A4, A5, A6, A7, B0, B1, B2, B10, B11, A9, A10 }
 #define MATRIX_COL_PINS { A0, A1, A2, B12, B13, B14, B15, A8 }