Remove unused strings

Change-Id: I38c0311678e64d1752966ff62c0678b8ffeadbe2
Properly describe this.

Change-Id: I9eb913eb08ee972109d39ea4e56bb667485cd5de
Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>
Merge "Properly describe this." into kitkat
Merge remote-tracking branch 'PA-settings/kitkat' into kitkat-remix