Revert "Lockscreen: Add timeout and instant lock option to slide lock (1/2)"

This reverts commit 7e37588a769d446f1ba1a6af6592bbf5c39558d7.
Revert "Lockscreen: See through (2/2)"

This reverts commit 1f50f33362f82a0ec5665972dd169a04225f2931.

Conflicts:

	res/values/pa_strings.xml