flimflam-test: Remove set-passphrase

This script deals with the concept of networks and passphrases, which
we don't support in shill.  Remove it.

BUG=chromium-os:38166
TEST=None

Change-Id: I925f4e61d3f8c5a582dbc350f657807722125d01
Reviewed-on: https://gerrit.chromium.org/gerrit/42200
Tested-by: Christopher Wiley <wiley@chromium.org>
Reviewed-by: Paul Stewart <pstew@chromium.org>
Commit-Queue: Christopher Wiley <wiley@chromium.org>
1 file changed