Remove unnecessary files from target test env

Remove unnecessary files from the simulation of the
runtime mainline module used in ART for on-device testing.
The files are being removed from the real runtime module
in a separate commit.

Bug: 132169989
Test: Run ART tests on device (in chroot environment)
Change-Id: I93f5720c6e110ffe555cc37eb4b8c5310fd6bb0d
2 files changed