Remove pointless SERIAL_LINK_ENABLE rules (#12846)

keyboards/boston_meetup/2019/rules.mk

@@ -21,4 +21,3 @@ RGB_MATRIX_DRIVER = WS2812
 HAPTIC_ENABLE += DRV2605L
 QWIIC_ENABLE = yes
 QWIIC_DRIVERS += MICRO_OLED
-# SERIAL_LINK_ENABLE = yes

keyboards/ckeys/thedora/rules.mk

@@ -17,4 +17,3 @@ AUDIO_ENABLE = yes
 MIDI_ENABLE = yes     # MIDI controls
 RGBLIGHT_ENABLE = no
 ENCODER_ENABLE = yes
-# SERIAL_LINK_ENABLE = yes

keyboards/hadron/ver3/rules.mk

@@ -22,4 +22,3 @@ HAPTIC_ENABLE += DRV2605L
 QWIIC_ENABLE = yes
 QWIIC_DRIVERS += MICRO_OLED
 ENCODER_ENABLER = yes
-# SERIAL_LINK_ENABLE = yes

keyboards/hs60/v2/ansi/rules.mk

@@ -20,7 +20,6 @@ SLEEP_LED_ENABLE = no              # Breathing sleep LED during USB suspend
 NKRO_ENABLE = yes                  # USB Nkey Rollover
 AUDIO_ENABLE = no                  # Audio output on port C6
 NO_USB_STARTUP_CHECK = no          # Disable initialization only when usb is plugged in
-#SERIAL_LINK_ENABLE = yes
 
 CIE1931_CURVE = yes
 

keyboards/hs60/v2/hhkb/rules.mk

@@ -20,7 +20,6 @@ SLEEP_LED_ENABLE = no              # Breathing sleep LED during USB suspend
 NKRO_ENABLE = yes                  # USB Nkey Rollover
 AUDIO_ENABLE = no                  # Audio output on port C6
 NO_USB_STARTUP_CHECK = no          # Disable initialization only when usb is plugged in
-#SERIAL_LINK_ENABLE = yes
 
 CIE1931_CURVE = yes
 

keyboards/hs60/v2/iso/rules.mk

@@ -20,7 +20,6 @@ SLEEP_LED_ENABLE = no              # Breathing sleep LED during USB suspend
 NKRO_ENABLE = yes                  # USB Nkey Rollover
 AUDIO_ENABLE = no                  # Audio output on port C6
 NO_USB_STARTUP_CHECK = no          # Disable initialization only when usb is plugged in
-#SERIAL_LINK_ENABLE = yes
 
 CIE1931_CURVE = yes
 

keyboards/moonlander/rules.mk

@@ -23,7 +23,6 @@ DEBOUNCE_TYPE = custom
 SWAP_HANDS_ENABLE = yes
 RGB_MATRIX_ENABLE = yes
 RGB_MATRIX_DRIVER = IS31FL3731
-#SERIAL_LINK_ENABLE = yes
 EEPROM_DRIVER = i2c
 
 #project specific files

keyboards/nk65/rules.mk

@@ -20,7 +20,6 @@ SLEEP_LED_ENABLE = no              # Breathing sleep LED during USB suspend
 NKRO_ENABLE = yes                  # USB Nkey Rollover
 AUDIO_ENABLE = no                  # Audio output on port C6
 NO_USB_STARTUP_CHECK = no          # Disable initialization only when usb is plugged in
-#SERIAL_LINK_ENABLE = yes
 
 CIE1931_CURVE = yes
 

keyboards/planck/ez/rules.mk

@@ -24,7 +24,6 @@ API_SYSEX_ENABLE = no
 SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend
 #SLEEP_LED_ENABLE = yes  # Breathing sleep LED during USB suspend
 
-# SERIAL_LINK_ENABLE = yes
 ENCODER_ENABLE = yes
 RGB_MATRIX_DRIVER = IS31FL3737
 

keyboards/planck/keymaps/ishtob/rule.mk

@@ -12,7 +12,6 @@ NKRO_ENABLE = yes	    # USB Nkey Rollover
 CUSTOM_MATRIX = yes # Custom matrix file
 AUDIO_ENABLE = yes
 ENCODER_ENABLE = yes
-# SERIAL_LINK_ENABLE = yes
 
 # Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
 SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend

keyboards/planck/rev6/rules.mk

@@ -26,7 +26,6 @@ SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend
 
 RGB_MATRIX_ENABLE = no
 RGB_MATRIX_DRIVER = WS2812
-# SERIAL_LINK_ENABLE = yes
 ENCODER_ENABLE = yes
 DIP_SWITCH_ENABLE = yes
 

keyboards/preonic/rev3/rules.mk

@@ -29,7 +29,6 @@ SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend
 RGB_MATRIX_ENABLE = no
 RGB_MATRIX_DRIVER = WS2812
 
-# SERIAL_LINK_ENABLE = yes
 ENCODER_ENABLE = yes
 DIP_SWITCH_ENABLE = yes
 

keyboards/tkc/candybar/lefty/rules.mk

@@ -16,7 +16,6 @@ SLEEP_LED_ENABLE = no  # Breathing sleep LED during USB suspend
 NKRO_ENABLE = yes     # USB Nkey Rollover
 AUDIO_ENABLE = no
 RGBLIGHT_ENABLE = no
-SERIAL_LINK_ENABLE = no
 
 
 # Enter lower-power sleep mode when on the ChibiOS idle thread

keyboards/tkc/candybar/righty/rules.mk

@@ -16,7 +16,6 @@ SLEEP_LED_ENABLE = no  # Breathing sleep LED during USB suspend
 NKRO_ENABLE = yes     # USB Nkey Rollover
 AUDIO_ENABLE = no
 RGBLIGHT_ENABLE = no
-SERIAL_LINK_ENABLE = no
 
 
 # Enter lower-power sleep mode when on the ChibiOS idle thread

layouts/community/ortho_4x12/bocaj/rules.mk

@@ -32,7 +32,6 @@ ifeq ($(strip $(KEYBOARD)), planck/light)
 endif
 ifeq ($(strip $(KEYBOARD)), planck/ez)
     RGBLIGHT_ENABLE = no
-    # SERIAL_LINK_ENABLE = yes
     ENCODER_ENABLE = yes
     RGB_MATRIX_ENABLE = IS31FL3737
     INDICATOR_LIGHTS            = yes

layouts/community/ortho_4x12/drashna/rules.mk

@@ -32,7 +32,6 @@ ifeq ($(strip $(KEYBOARD)), planck/light)
 endif
 ifeq ($(strip $(KEYBOARD)), planck/ez)
     RGBLIGHT_ENABLE = no
-    # SERIAL_LINK_ENABLE = yes
     ENCODER_ENABLE = yes
     RGB_MATRIX_ENABLE = yes
     INDICATOR_LIGHTS            = yes