Remove obsolete options for qpid reconnect.

Qpid reconnect options were removed from oslo.
Russel Bryant removed these from Nova on commit
b2facb4f4ff2ee75366ec9e51dd59eede5bbb47d

Change-Id: I372c9358d9ae2628e3403fb817823aa4e38dea76
Merge "Remove obsolete options for qpid reconnect."