veyron/services/mgmt/node/impl: use helper for deletions

When using the suidhelper to launch applications under a different
system account than the one used by the node manager, application
workspace and log state will cannot be deleted by the node manager.
Instead, use the suidhelper to delete state in this context.

Change-Id: I1ad307bbc5dbd2520ed28c65208e0650e6811958
7 files changed
tree: d923e15c9c6f5148405c928c16c307d629ab8d7e
  1. lib/
  2. profiles/
  3. runtimes/
  4. security/
  5. services/
  6. tools/