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.

1 files changed, 0 insertions, 3 deletions

diff --git a/keyboards/the_ruler/keymaps/default/rules.mk b/keyboards/the_ruler/keymaps/default/rules.mk
index b491f5b3f..2791cc105 100644
--- a/keyboards/the_ruler/keymaps/default/rules.mk
+++ b/keyboards/the_ruler/keymaps/default/rules.mk
@@ -16,6 +16,3 @@ BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
 RGBLIGHT_ENABLE = yes        # Enable WS2812 RGB underlight. 
 SLEEP_LED_ENABLE = no       # Breathing sleep LED during USB suspend
 
-ifndef QUANTUM_DIR
-        include ../../../../Makefile
-endif