Revert "Fix LTE power widget"

This reverts commit c50fc5d6d47f33542dd0a306d62e65f91075676c.
Revert "Fix NPE for WiFi off notification action"

This reverts commit 0440673343fa60cb3fc76537b488dfb247d3ae63.
Revert "add "Turn Wi-Fi off" action to the "open networks available" notification"

This reverts commit 1b70efd41d893087f2e1adb45da56f77e20a2c11.