Revert "Fix: Correct possible null pointer when enabling see through lockscreen"

This reverts commit 74f7dfde262650bfdd28049277a8fd7300e493e8.

Change-Id: I116700eb98322b7ac4da61a7ee987db5dfbcb2ba
Revert "Fix: Ensure lockscreen see through setting persists after reboot"

This reverts commit f73153b3acf88ec3d12ecee5ce0b55d9ea1e60ef.

Change-Id: I42d3a138843fcb71db32a19eab2dd12c4bbc1161
Merge "Revert "Fix: Ensure lockscreen see through setting persists after reboot"" into android-4.4
Merge "Revert "Fix: Correct possible null pointer when enabling see through lockscreen"" into android-4.4