Revert "Use Apex sepolicy if it's available"

This reverts commit baeece6d0c0ff72f667318ec365e5281955c8f42.

Test: boot aosp_cf_x86_64_phone-userdebug
Bug: 297794885
Change-Id: I0515bc30eba42589c407deb587684b4da011aead
3 files changed