Remove setzer from experimental

(remove important=false for strago-c and
remove strago-c from experimental)

BUG=None
TEST=None

Change-Id: Ib3f17ebd79e779c37a80c248db7467688b6b3d59
Reviewed-on: https://chromium-review.googlesource.com/334231
Commit-Ready: Trevor Tsang <ttsang@google.com>
Tested-by: Trevor Tsang <ttsang@google.com>
Reviewed-by: Bernie Thompson <bhthompson@chromium.org>
2 files changed