dbus-c++: Revert "dbus-c++: Allow deferred object registration."

This reverts commit 5622677bb149fee3fa8c407a09a478bfe694fba9.
It breaks the synaptics driver.

BUG=chromium-os:11752,chrome-os-partner:3519
TEST=manual: touchpad doesn't work in internal build without this revert, but starts working after the revert

Review URL: http://codereview.chromium.org/6901073

Change-Id: Ie8d47f02174ecaa9d43c68d796cba60e4189d358
2 files changed