Remove cros_start_vm and cros_stop_vm

Both scripts were moved to src/scripts/bin and are no longer needed
here.

BUG=None
TEST=trybots.

Change-Id: I2ec3814bc5c6ca7484f5a0385488e9a89a65038b
Reviewed-on: https://chromium-review.googlesource.com/274282
Trybot-Ready: Bertrand Simonnet <bsimonnet@chromium.org>
Tested-by: Bertrand Simonnet <bsimonnet@chromium.org>
Reviewed-by: Don Garrett <dgarrett@chromium.org>
Commit-Queue: Bertrand Simonnet <bsimonnet@chromium.org>
2 files changed