dbus-c++: reduce log spam

No need to log an informational message to stderr.
So get rid of it.

BUG=chromium:233843
TEST=emerge dbus-c++ (on host), build shill

Change-Id: Ib7a194818b4ef453ce968a9c11dbc4c816f6740f
Reviewed-on: https://gerrit.chromium.org/gerrit/48736
Reviewed-by: Darin Petkov <petkov@chromium.org>
Commit-Queue: mukesh agrawal <quiche@chromium.org>
Tested-by: mukesh agrawal <quiche@chromium.org>
1 file changed