Revert "update bs_lock icon from skyliner"

This reverts commit ec354a0d654cf92296083e5137914a1965d67685.
Revert "Beanstalk lock screen style"

This reverts commit fbd5b6efcbad4fed9b9556d58dfc0a0221e2598f.

Conflicts:

	src/com/android/settings/beanstalk/LockscreenStyle.java