Revert "Lockscreen Notifications [2/2]"

This reverts commit c0b95a1ef2be5adc44636799815b63023a45c68c.

Conflicts:
	res/values-it/slim_strings.xml
	res/values/slim_strings.xml

Change-Id: If386752dd46d886d3a17be02e0c2f1d2abd3e2ab