Remove matrix size defines (#19581)

keyboards/mechwild/murphpad/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 6
-#define MATRIX_COLS 5
-
 /* Key matrix pins */
 #define MATRIX_ROW_PINS { F5, B2, B3, B1, F7, F6 }
 #define MATRIX_COL_PINS { B5, D7, C6, D4, B6 }