Migrate MCU and BOOTLOADER to data-driven (#19529)

keyboards/input_club/ergodox_infinity/info.json

@@ -6,6 +6,9 @@
         "pid": "0xB04D",
         "device_version": "0.0.1"
     },
+    "processor": "MK20DX256",
+    "bootloader": "kiibohd",
+    "board": "IC_TEENSY_3_1",
     "community_layouts": ["ergodox"],
     "layouts": {
       "LAYOUT_ergodox": {

keyboards/input_club/ergodox_infinity/rules.mk

@@ -1,16 +1,3 @@
-# MCU name
-MCU = MK20DX256
-
-# Bootloader selection
-BOOTLOADER = kiibohd
-
-# Board: it should exist either in <chibios>/os/hal/boards/
-#  or <this_dir>/boards
-# This board was copied from PJRC_TEENSY_3_1. The only difference should be a
-# hack to ensure the watchdog has started before trying to disable it, and an
-# override to disable restart of USB driver after returning from suspend.
-BOARD = IC_TEENSY_3_1
-
 # Build Options
 #   change yes to no to disable
 #