Cleanup rules.mk for 32U4 keyboards, L-M (#7120)

* Cleanup rules.mk for 32U4 keyboards, L-M

* Move some stuff to keyboard level

keyboards/maxr1998/pulse4k/rules.mk

@@ -1,15 +1,16 @@
 # MCU name
 MCU = atmega32u4
 
-# Bootloader
-#     This definition is optional, and if your keyboard supports multiple bootloaders of
-#     different sizes, comment this out, and the correct address will be loaded
-#     automatically (+60). See bootloader.mk for all options.
+# Bootloader selection
+#   Teensy       halfkay
+#   Pro Micro    caterina
+#   Atmel DFU    atmel-dfu
+#   LUFA DFU     lufa-dfu
+#   QMK DFU      qmk-dfu
+#   ATmega32A    bootloadHID
+#   ATmega328P   USBasp
 BOOTLOADER = atmel-dfu
 
-# Interrupt driven control endpoint task(+60)
-OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
-
 # Build Options
 #   change to "no" to disable the options, or define them in the Makefile in
 #   the appropriate keymap folder that will get included automatically
@@ -30,4 +31,3 @@ BLUETOOTH_ENABLE = no      # Enable Bluetooth with the Adafruit EZ-Key HID
 RGBLIGHT_ENABLE = yes      # Enable WS2812 RGB underlight.
 API_SYSEX_ENABLE = no
 SLEEP_LED_ENABLE = no      # Breathing sleep LED during USB suspend
-