Revert "fsverity_init: refactor into library + binary"

This reverts commit 3fc82ead6b16445aa6417ff666b1c19d3ad4cbd5 because the
only user of libfsverity_init other than fsverity_init has been removed.

(Don't add "liblogwrap" back to shared_libs, as it isn't needed.)

Bug: 290064770
Test: presubmit
Change-Id: Ia5a0e60a16c1f88974ceb4500084b0c3773d3e43
4 files changed