Move encoder config to data driven (#19923)

Co-authored-by: Nick Brassel <nick@tzarc.org>

keyboards/25keys/aleth42/rev0/config.h

@@ -25,9 +25,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* COL2ROW, ROW2COL*/
 #define DIODE_DIRECTION COL2ROW
 
-#define ENCODERS_PAD_A { B6, B5 }  // located @ upper left
-#define ENCODERS_PAD_B { B7, B4 }  // located @ bottom left
-
 #define RGB_DI_PIN C7
 #ifdef RGB_DI_PIN
    #define RGBLED_NUM 6

keyboards/25keys/aleth42/rev0/info.json

@@ -2,6 +2,12 @@
     "usb": {
         "device_version": "0.0.0"
     },
+    "encoder": {
+        "rotary": [
+            {"pin_a": "B6", "pin_b": "B7"},
+            {"pin_a": "B5", "pin_b": "B4"}
+        ]
+    },
     "processor": "atmega32u2",
     "bootloader": "atmel-dfu"
 }