chroot_version_hooks.d: purge svn from the system

We've dropped it from the SDK target & boards, so forcibly remove it
from existing installs so all envs stay consistent.

BUG=chromium:982351
TEST=SDK & CQ pass

Change-Id: I7913590f87ebc46e44d94be5ca0ffe9c1bace3d0
Reviewed-on: https://chromium-review.googlesource.com/1694042
Tested-by: Mike Frysinger <vapier@chromium.org>
Commit-Ready: Mike Frysinger <vapier@chromium.org>
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Keith Haddow <haddowk@chromium.org>
1 file changed