Remove matrix size defines (#19581)

keyboards/primekb/prime_l/v2/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 16
-
 /* Keyboard Matrix Assignments */
 #define MATRIX_ROW_PINS { E6, B2, B1, B0, B6 }
 #define MATRIX_COL_PINS { C6, C7, F7, F6, F5, F4, F1, F0, D4, D0, D1, D2, D3, D5, B7, B3 }