Revert "Frameworks: bring back all lockscreen Widget Settings"

This reverts commit 3c81f83ec877dcbf3b05024c45208dcd3678bb4a.

Conflicts:

	packages/Keyguard/src/com/android/keyguard/KeyguardHostView.java
	packages/Keyguard/src/com/android/keyguard/KeyguardViewStateManager.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java