Move encoder config to data driven (#19923)

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

keyboards/boston/config.h

@@ -49,12 +49,6 @@
 //The 3D-printed version of Boston uses APA106 LEDs, which are reversed
 #define WS2812_BYTE_ORDER WS2812_BYTE_ORDER_RGB
 
-/* Define encoder */
-#define ENCODERS_PAD_A \
-    { C13 }
-#define ENCODERS_PAD_B \
-    { F1 }
-#define ENCODER_RESOLUTION 2
 #define TAP_CODE_DELAY 15
 
 /*

keyboards/boston/info.json

@@ -8,6 +8,11 @@
         "pid": "0x4176",
         "device_version": "0.0.1"
     },
+    "encoder": {
+        "rotary": [
+            {"pin_a": "C13", "pin_b": "F1", "resolution": 2}
+        ]
+    },
     "backlight": {
         "pin": "A6",
         "levels": 6,