Revert "Check for data races when reading JIT/DEX entries."

This reverts commit 85b5fece.

Reason for revert: Breaks ART tests, reverting to investigate.
Exempt-From-Owner-Approval: Revert.

(cherry picked from commit b9cc4fbb)

Bug: 130406806
Change-Id: I634e37060b97484d627fc544e3b406fd90aaa784