crostestutils: Remove unused scripts.

Remove cros_run_vm_test and cros_run_vm_update.

BUG=chromium:782664
TEST=bots
CQ-DEPEND=CL:1384578

Change-Id: I629061900f5d569a402d65acb3c7c4de8b6cdf72
Reviewed-on: https://chromium-review.googlesource.com/1384820
Commit-Ready: Achuith Bhandarkar <achuith@chromium.org>
Tested-by: Achuith Bhandarkar <achuith@chromium.org>
Reviewed-by: Alex Zamorzaev <zamorzaev@chromium.org>
2 files changed