Revert "[2/2] Settings: Lockscreen wallpaper"

This reverts commit 58e0185890eb6dabf8493dfdfc115bb06a2d7526.

Change-Id: I7a9f1b54ed724940dbe57f9016b2099421bdc7fc
Revert "Lockscreen blur and blur radious (2/2)"

This reverts commit 1a8f6c3d94fb7b64f5830a37a34239c14eaeb2c1.

Conflicts:
	res/values/cr_strings.xml
	res/xml/lockscreen_interface_settings.xml
	src/com/android/settings/cyanogenmod/LockscreenInterface.java

Change-Id: I562149286d5699025c72f9f4de94aa8e00fbd426