Superior: Update recovery_keys

Cleanup and update, see: http://review.cyanogenmod.org/62724

Change-Id: I4a5e8c90bb26b894318f6e9eda89c2a464a1a8e4
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_device_samsung_superior into cd-4.4