refactor SPLIT_KEYBOARD, OLED_DRIVER_ENABLE (#10405)

keyboards/claw44/rev1/rules.mk

@@ -1,7 +1,3 @@
-SRC += rev1/matrix.c
-SRC += rev1/split_util.c
-SRC += rev1/split_scomm.c
-
 # Build Options
 BOOTMAGIC_ENABLE = no       # Virtual DIP switch configuration
 MOUSEKEY_ENABLE = no        # Mouse keys
@@ -10,7 +6,6 @@ CONSOLE_ENABLE = no         # Console for debug
 COMMAND_ENABLE = no         # Commands for debug and configuration
 NKRO_ENABLE = no            # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
 BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
-MIDI_ENABLE = no            # MIDI controls
 AUDIO_ENABLE = no           # Audio output on port C6
 UNICODE_ENABLE = no         # Unicode
 BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
@@ -20,12 +15,5 @@ SWAP_HANDS_ENABLE = no      # Enable one-hand typing
 # Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
 SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend
 
-# If you want to change the display of OLED, you need to change here
-SRC += ./lib/glcdfont.c \
-       ./lib/layer_state_reader.c \
-       ./lib/logo_reader.c \
-       ./lib/keylogger.c \
-       # ./lib/rgb_state_reader.c \
-       # ./lib/mode_icon_reader.c \
-       # ./lib/host_led_state_reader.c \
-       # ./lib/timelogger.c \
+OLED_DRIVER_ENABLE = no     # Add OLED displays support
+SPLIT_KEYBOARD = yes