rgblight: driver selection cleanups (#21558)

keyboards/lfkeyboards/lfk87/keymaps/ca178858/rules.mk

@@ -10,7 +10,6 @@ AUDIO_ENABLE = yes              # Audio output on port C6
 UNICODE_ENABLE = no             # Unicode
 BLUETOOTH_ENABLE = no           # Disable Bluetooth with the Adafruit EZ-Key HID
 RGBLIGHT_ENABLE = yes           # Enable RGB underlight
-RGBLIGHT_CUSTOM_DRIVER = yes    # RGB code is implemented in lefkeyboards, not WS2812
 SLEEP_LED_ENABLE = yes
 TAP_DANCE_ENABLE = yes
 

keyboards/lfkeyboards/lfk87/keymaps/default/rules.mk

@@ -7,7 +7,6 @@ NKRO_ENABLE = yes
 BACKLIGHT_ENABLE = yes           # Enable keyboard backlight functionality
 AUDIO_ENABLE = yes              # Audio output
 RGBLIGHT_ENABLE = yes           # Enable RGB underlight
-RGBLIGHT_CUSTOM_DRIVER = yes    # RGB code is implemented in lefkeyboards, not WS2812
 SLEEP_LED_ENABLE = yes
 
 ISSI_ENABLE = yes			# If the I2C pullup resistors aren't install this must be disabled

keyboards/lfkeyboards/lfk87/keymaps/gbchk/rules.mk

@@ -10,7 +10,6 @@ AUDIO_ENABLE = yes              # Audio output on port C6
 UNICODE_ENABLE = no             # Unicode
 BLUETOOTH_ENABLE = no           # Enable Bluetooth with the Adafruit EZ-Key HID
 RGBLIGHT_ENABLE = yes           # Enable RGB underlight
-RGBLIGHT_CUSTOM_DRIVER = yes    # RGB code is implemented in lefkeyboards, not WS2812
 SLEEP_LED_ENABLE = yes
 
 ISSI_ENABLE = yes			# If the I2C pullup resistors aren't install this must be disabled

keyboards/lfkeyboards/lfk87/keymaps/iso/rules.mk

@@ -7,7 +7,6 @@ NKRO_ENABLE = yes
 BACKLIGHT_ENABLE = yes          # Enable keyboard backlight functionality
 AUDIO_ENABLE = yes              # Audio output
 RGBLIGHT_ENABLE = yes           # Enable RGB underlight
-RGBLIGHT_CUSTOM_DRIVER = yes    # RGB code is implemented in lefkeyboards, not WS2812
 SLEEP_LED_ENABLE = yes
 
 ISSI_ENABLE = yes               # If the I2C pullup resistors aren't install this must be disabled