flimflam-test: Remove the last agent related code

shill has no concept of agents, and so we don't need to carry this code
forward.  Also remove the parts of flimflam.py which are consumed by
this test script.

TEST=Pylint is slightly happier with this directory.

Change-Id: I63dcf924e95942363750056c355421b2e8c24fe2
Reviewed-on: https://gerrit.chromium.org/gerrit/42185
Tested-by: Christopher Wiley <wiley@chromium.org>
Reviewed-by: Paul Stewart <pstew@chromium.org>
Commit-Queue: Christopher Wiley <wiley@chromium.org>
2 files changed