Remove matrix size defines (#19581)

keyboards/aurora65/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
-
 #define MATRIX_ROW_PINS { B3, B4, B5, A8, A4 }
 #define MATRIX_COL_PINS { A13, A10, A9, A14, A15, B8, B9, B2, B1, B0, A0, A1, A2, A3, A5 }