Disables sleep LED by default

keyboards/ergodox/ez/rules.mk

@@ -71,6 +71,8 @@ OPT_DEFS += -DBOOTLOADER_SIZE=512
 #   comment out to disable the options.
 #
 
+SLEEP_LED_ENABLE = no
+
 ifndef QUANTUM_DIR
 	include ../../../Makefile
 endif