autotest: Remove outdated ONC tests

This is now tested by hand and this code is terribly ancient.  If we're
interested in automating these tests, either client tests or a
completely rewritten WiFi cell test would be more appropriate.

BUG=None
TEST=None

Change-Id: Ifd09acf647c9792f4b5d7b99cabfcaa34f11a9a7
Reviewed-on: https://chromium-review.googlesource.com/176295
Tested-by: Christopher Wiley <wiley@chromium.org>
Reviewed-by: Kris Rambish <krisr@chromium.org>
Commit-Queue: Christopher Wiley <wiley@chromium.org>
16 files changed