Revert^3 "VIXL simulator for ART (Stage1)"

This reverts commit e886d68b9c40c941d8966b9c90d0e265c75fb19e.

Reason for revert: simulator implemention is not ready yet.

Test: lunch aosp_cf_x86_phone-userdebug && m
Test: art/test.py --run-test --optimizing --host
Change-Id: I03c8c09ea348205b0238d7a26caef3477cd6ae3b
30 files changed