Settings: Remove unused strings

Change-Id: I57bb4d0f9cc3fa5d8b80e064e45f82c61cc5d261
Merge remote-tracking branch 'cm/cm-11.0' into cm-11.0-sgt7

-Id: Iaa40dcea8067eea55c94ee5c8f5b473d0b3bc34f

Conflicts:
	res/values/cm_arrays.xml
	res/values/cm_strings.xml
Large recents, recents color, dual pane prefs options

Change-Id: Iaa40dcea8067eea55c94ee5c8f5b473d0b3bc34f