Revert "Sync rpc/impl_qpid.py from oslo-incubator."

This reverts commit 3f4bb0443e96e9b7d04e3e4e77a8bb4e8647e01e.

Fixes LP Bug #1211778.

Change-Id: I254995a1bf5416fb70fbcac28ee399b1373efde7
Merge "Revert "Sync rpc/impl_qpid.py from oslo-incubator.""