Remove matrix size defines (#19581)

keyboards/jorne/rev1/config.h

@@ -2,11 +2,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 #pragma once
 
-/* key matrix size */
-/* Rows are doubled up */
-#define MATRIX_ROWS 8
-#define MATRIX_COLS 6
-
 #define MATRIX_ROW_PINS { D4, C6, D7, E6 }
 #define MATRIX_COL_PINS { F4, F5, F6, F7, B1, B3 }