Revert "Settings: Lockscreen background - 2/2"

This reverts commit c8652b96a8c3e497c81dc000a873ea12fab15679.

Conflicts:

	res/values/cr_arrays.xml
	res/values/cr_strings.xml
	src/com/android/settings/cyanogenmod/LockscreenInterface.java
Revert "Lockscreen blur and blur radious (2/2) + ChameleonOS SeekBarPreference.java"

This reverts commit c686e687af9576c4b49e7c80bc159e1219091e57.

Conflicts:

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