Revert "Add icon support for options in preference setting screen."

This reverts commit 723f84eadb3c1a79337ef20e4d0a014341537adb.

Conflicts:

	res/values/arrays.xml
	res/xml/camera_preferences.xml
	src/com/android/camera/IconListPreference.java

Change-Id: Ic5fd32735656cfaed56cf256a0b9530d051f2240
13 files changed