Clean up remaining rules.mk `MCU`/`BOOTLOADER`s (#19778)

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

5 files changed, 10 insertions, 9 deletions

diff --git a/keyboards/hhkb/ansi/32u2/info.json b/keyboards/hhkb/ansi/32u2/info.json
new file mode 100644
index 0000000000..dd190d18ee
--- /dev/null
+++ b/keyboards/hhkb/ansi/32u2/info.json
@@ -0,0 +1,4 @@
+{
+    "processor": "atmega32u2",
+    "bootloader": "atmel-dfu"
+}
diff --git a/keyboards/hhkb/ansi/32u2/rules.mk b/keyboards/hhkb/ansi/32u2/rules.mk
index 0c0b4c37c2..95a1d66061 100644
--- a/keyboards/hhkb/ansi/32u2/rules.mk
+++ b/keyboards/hhkb/ansi/32u2/rules.mk
@@ -1,5 +1,2 @@
-# MCU name
-MCU = atmega32u2
-
 CONSOLE_ENABLE = no   # Console for debug
 COMMAND_ENABLE = no   # Commands for debug and configuration
diff --git a/keyboards/hhkb/ansi/32u4/info.json b/keyboards/hhkb/ansi/32u4/info.json
new file mode 100644
index 0000000000..042c41f34d
--- /dev/null
+++ b/keyboards/hhkb/ansi/32u4/info.json
@@ -0,0 +1,4 @@
+{
+    "processor": "atmega32u4",
+    "bootloader": "atmel-dfu"
+}
diff --git a/keyboards/hhkb/ansi/32u4/rules.mk b/keyboards/hhkb/ansi/32u4/rules.mk
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/keyboards/hhkb/ansi/32u4/rules.mk
diff --git a/keyboards/hhkb/ansi/rules.mk b/keyboards/hhkb/ansi/rules.mk
index 42827a9d0b..efe5ab4456 100644
--- a/keyboards/hhkb/ansi/rules.mk
+++ b/keyboards/hhkb/ansi/rules.mk
@@ -1,9 +1,3 @@
-# MCU name
-MCU = atmega32u4
-
-# Bootloader selection
-BOOTLOADER = atmel-dfu
-
 # Build Options
 #   change yes to no to disable
 #
@@ -34,3 +28,5 @@ SRC = matrix.c
 # debug-off: EXTRAFLAGS += -DNO_DEBUG -DNO_PRINT
 # debug-off: OPT_DEFS := $(filter-out -DCONSOLE_ENABLE,$(OPT_DEFS))
 # debug-off: all
+
+DEFAULT_FOLDER = hhkb/ansi/32u4