Move encoder config to data driven (#19923)

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

keyboards/projectcain/relic/config.h

@@ -16,9 +16,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #pragma once
-#define ENCODERS_PAD_A { D4 }
-#define ENCODERS_PAD_B { D6 }
-
 
 /*
  * Keyboard Matrix Assignments

keyboards/projectcain/relic/info.json

@@ -8,6 +8,11 @@
         "pid": "0x6060",
         "device_version": "0.0.1"
     },
+    "encoder": {
+        "rotary": [
+            {"pin_a": "D4", "pin_b": "D6"}
+        ]
+    },
     "processor": "atmega32u4",
     "bootloader": "atmel-dfu",
     "layouts": {