Settings: remove unused Quiet Hours string from translations

ps2: Cid is being weird...

Change-Id: I707e991a463e1ffa2a5b351b1d20deb47a10f869
Merge "Settings: remove unused Quiet Hours string from translations" into cm-11.0
Merge branch 'cm-11.0' of git://github.com/CyanogenMod/android_packages_apps_Settings into cd-4.4