Revert "vdex: add checks in the event of file corruption."

This reverts commit 24455cdcd97a61739d6b3a064e5795c8fac89c29.

Reason for revert: ngeoffray@ confirmed LOG(FATAL) is WAI.

Change-Id: I4d942ca1c76f0b531bbaf2d285fc011460b9d8cd
3 files changed