Lockscreen: Remove Minimize lockscreen challenge from tabs/phabs

Change-Id: Ifde197ca5a32f3e2bd05717e44c05a1fd6d4f625
Signed-off-by: bmc08gt <bmc08gt.teamb00sted@gmail.com>
Merge "Lockscreen: Remove Minimize lockscreen challenge from tabs/phabs" into jb-mr1