eclass-overlay: defunc user 'ipsec'

All its functionalities are moved to user 'vpn' instead.

BUG=b:177984585
TEST=tested with crrev/c/2972334

Cq-Depend: chromium:2972185, chromium:2972334, chromium:2970819
Change-Id: If05697a2ce5c4f9758ad0d830aaa92d82bd5a9e6
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/eclass-overlay/+/2972335
Reviewed-by: Hugo Benichi <hugobenichi@google.com>
Reviewed-by: Garrick Evans <garrick@chromium.org>
Reviewed-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
Tested-by: Taoyu Li <taoyl@chromium.org>
Commit-Queue: Taoyu Li <taoyl@chromium.org>
5 files changed
tree: 59c14fc23e76315c2493fbfd4d71a9dab5325ee3
  1. acct-group/
  2. acct-user/
  3. eclass/
  4. metadata/
  5. profiles/
  6. OWNERS
  7. PRESUBMIT.cfg