Partially revert "Add LED configuration support from mr0/10.0"

(reverse-merged from commit 277bbdb9a905e062b2a063b18cb8cb645fb74fcd)

Change-Id: I77f319f0009788670e1f7162e5c1f2cde25958a8

Conflicts:
	src/com/android/settings/DisplaySettings.java
Partially revert "Add LED configuration support from mr0/10.0"