Revert "settings: Toggle insecure lockscreen bypass with keyboard/smart cover"

This is because the dependent commit was reverted by cm
https://github.com/temasek/android_frameworks_base/commit/229c4f7a2d12c7770a6996b27ef9dccda707973c

This reverts commit 254fff69537e36dfdab8ba453b4c1d51fe4244ec.

Conflicts:
	res/values/cr_strings.xml