Revert "crespo: use KitKat zRAM setting"

This seems to be causing issues for some users

This reverts commit edbaa6780da4028ab4a22fa0346eca4f4d0c1e82.

Change-Id: Icec296a655cbd71f18aee1a414154fd94bb92044
Merge remote-tracking branch 'upstream/cm-11.0' into cm-11.0