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

keyboards/feels/feels65/info.json

@@ -8,6 +8,8 @@
         "pid": "0xE965",
         "device_version": "0.0.1"
     },
+    "processor": "atmega32u4",
+    "bootloader": "atmel-dfu",
     "community_layouts": ["65_ansi_blocker", "65_ansi_blocker_split_bs", "65_iso_blocker", "65_iso_blocker_split_bs"],
     "layouts": {
         "LAYOUT_all": {

keyboards/feels/feels65/rules.mk

@@ -1,9 +1,3 @@
-# MCU name
-MCU = atmega32u4
-
-# Bootloader selection
-BOOTLOADER = atmel-dfu
-
 # Build Options
 #   change yes to no to disable
 #