Revert "msm8960: add qcom keystore engine"

This reverts commit 3c10a4a0cd59c135167ba2ea5e59ae8d12b388db.

Change-Id: I2de14b6a0fa57b36b254c9b4e4d82e4e74581efe
Merge remote-tracking branch 'cm/cm-11.0' into HEAD