Revert "Frameworks: Lockscreen Blur"

This reverts commit 3c644c25513ad65305f5f66f8dc87ae6f0489047.

Conflicts:
	packages/Keyguard/src/com/android/keyguard/KeyguardViewManager.java
Revert "Lockscreen: See through (1/2)"

This reverts commit 3e1630b8ed8c33a54ffcae4daaf24a50ced95ba6.

Conflicts:
	core/java/android/provider/Settings.java
	packages/Keyguard/src/com/android/keyguard/KeyguardViewManager.java
Revert "Lockscreen: Fix SystemUI crash on initial selection of Custom Background."

This reverts commit 28070f9e0b9ef5b43e2a9c2196c5d7c3226100ee.

Signed-off-by: siracuervo <fl.siracusa@outlook.com.ar>

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