Remove deprecated QUANTUM_DIR code blocks from makefiles (#4754)

* Remove QUANTUM_DIR code blocks from keyboard rules

This commit removes the deprecated "QUANTUM_DIR" code block from
rules.mk files that affect entire keyboards.

* remove QUANTUM_DIR code blocks from rules for default keymaps

This commit removes the deprecated "QUANTUM_DIR" code block from
rules.mk files that affect default keymaps.

* remove QUANTUM_DIR code blocks from rules for user keymaps

This commit removes the deprecated "QUANTUM_DIR" code block from
rules.mk files that affect "user" keymaps. (It's actually any keymap
that isn't named `default`.)

* remove QUANTUM_DIR code blocks from rules for community layouts

This commit removes the deprecated "QUANTUM_DIR" code block from
rules.mk files for community layouts.

* remove QUANTUM_DIR code blocks from rules for userspaces

This commit removes the deprecated "QUANTUM_DIR" code block from
rules.mk files for userspaces.

keyboards/lets_split/keymaps/bbaserdem/rules.mk

@@ -6,6 +6,3 @@ RGBLIGHT_ENABLE = yes 		# LED strips
 TAP_DANCE_ENABLE = no 		# Use multi-tap features
 AUDIO_ENABLE = no 			# Audio stuff
 
-ifndef QUANTUM_DIR
-	include ../../../../Makefile
-endif

keyboards/lets_split/keymaps/bbaserdem_right/rules.mk

@@ -21,6 +21,3 @@ KEY_LOCK_ENABLE = no 		# Allows locking any key. Not used
 UNICODE_ENABLE = no			# Used for unicode character emulation
 EXTRAKEY_ENABLE = no		# OS signals like volume control
 
-ifndef QUANTUM_DIR
-	include ../../../../Makefile
-endif

keyboards/lets_split/keymaps/cpeters1982/rules.mk

@@ -1,8 +1,3 @@
+AUTO_SHIFT_ENABLE = yes
+RGBLIGHT_ENABLE = yes
 
-
-
-ifndef QUANTUM_DIR
-	include ../../../../Makefile
-  AUTO_SHIFT_ENABLE = yes
-  RGBLIGHT_ENABLE = yes
-endif

keyboards/lets_split/keymaps/fabian/rules.mk

@@ -4,6 +4,3 @@
 #
 # UNICODE_ENABLE = yes
 
-ifndef QUANTUM_DIR
-	include ../../../../Makefile
-endif

keyboards/lets_split/keymaps/heartrobotninja/rules.mk

@@ -20,6 +20,3 @@ 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
 
-ifndef QUANTUM_DIR
-	include ../../../../Makefile
-endif

keyboards/lets_split/keymaps/khord/rules.mk

@@ -2,6 +2,3 @@ TAP_DANCE_ENABLE = yes
 RGBLIGHT_ENABLE = yes
 USE_I2C = no
 
-ifndef QUANTUM_DIR
-	include ../../../../Makefile
-endif

keyboards/lets_split/keymaps/mbsurfer/rules.mk

@@ -2,6 +2,3 @@ TAP_DANCE_ENABLE = yes
 RGBLIGHT_ENABLE = yes
 USE_I2C = no
 
-ifndef QUANTUM_DIR
-	include ../../../../Makefile
-endif

keyboards/lets_split/keymaps/mjt/rules.mk

@@ -20,6 +20,3 @@ 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
 
-ifndef QUANTUM_DIR
-	include ../../../../Makefile
-endif

keyboards/lets_split/keymaps/mtdjr/rules.mk

@@ -1,5 +1,2 @@
-ifndef QUANTUM_DIR
-	include ../../../../Makefile
-endif
-
 RGBLIGHT_ENABLE = yes
+

keyboards/lets_split/keymaps/pitty/rules.mk

@@ -1,6 +1,3 @@
 RGBLIGHT_ENABLE = yes
 NKRO_ENABLE = yes
 
-ifndef QUANTUM_DIR
-	include ../../../../Makefile
-endif

keyboards/lets_split/keymaps/poker/rules.mk

@@ -1,3 +0,0 @@
-ifndef QUANTUM_DIR
-	include ../../../../Makefile
-endif

keyboards/lets_split/keymaps/waples/rules.mk

@@ -1,3 +0,0 @@
-ifndef QUANTUM_DIR
-	include ../../../../Makefile
-endif

keyboards/lets_split/keymaps/xk/rules.mk

@@ -14,6 +14,3 @@ BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
 RGBLIGHT_ENABLE = no        # Enable WS2812 RGB underlight. 
 BOOTMAGIC_ENABLE = no       # Virtual DIP switch configuration(+1000)
 
-ifndef QUANTUM_DIR
-	include ../../../../Makefile
-endif

keyboards/lets_split/keymaps/zer09/rules.mk

@@ -1,6 +1,3 @@
 RGBLIGHT_ENABLE = yes
 TAP_DANCE_ENABLE = yes
 
-ifndef QUANTUM_DIR
-	include ../../../../Makefile
-endif