Move matrix config to info.json, part 7 (#20020)

keyboards/mechkeys/mechmini/v1/config.h

@@ -17,11 +17,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #pragma once
 
-
-#define MATRIX_ROW_PINS { B0, B1, B2, B3 }
-#define MATRIX_COL_PINS { A0, A1, A2, A3, A4, A5, A6, A7, C7, C6, C5, C4 }
-#define DIODE_DIRECTION COL2ROW
-
 /* RGB underglow */
 // The RGB_DI_PIN value seems to be shared between all PS2AVRGB boards.
 // The same pin is used on the JJ40, at least.