Remove matrix size defines (#19581)

keyboards/tgr/910/config.h

@@ -20,9 +20,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #define RGBLED_NUM 19
 
-#define MATRIX_ROWS 7
-#define MATRIX_COLS 14
-
 //                         0   1   2   3   4   5   6   7   8   9   A   B   C   D
 #define MATRIX_ROW_PINS { B0, B1, B2, B3, B4, B5, B6 }
 #define MATRIX_COL_PINS { D7, C2, C3, C4, C5, C6, C7, A7, A6, A5, A4, A3, A1, A0 }