Remove matrix size defines (#19581)

keyboards/xenon/config.h

@@ -18,11 +18,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #pragma once
 
 
-/* key matrix size */
-/* Rows are doubled up */
-#define MATRIX_ROWS 10
-#define MATRIX_COLS 7
-
 // wiring
 #define MATRIX_ROW_PINS { D4, C6, D7, E6, B4 }
 #define MATRIX_COL_PINS { B2, B3, B1, F7, F6, F5, F4 }