Revert "Fix: Custom lockscreen force close"

This reverts commit d9b23e48d12a8c3d9f37d6c989510ec8ad8a8ea2.
Revert "Custom lockscreen"

This reverts commit 53293d4e526bd3048588dd18f4744484fec8988c.

Conflicts:
	packages/Keyguard/src/com/android/keyguard/KeyguardViewManager.java