Revert "Merge pull request #3 from SamsungBCM-Cyanogenmod/f2fs-support/cm-11.0"

This reverts commit 75528c7083bacc2f31c5850633e1b85e5432b55f, reversing
changes made to d5b0fbd5aa2fb3305960adf210b5146eb9bd957d.