Given that the oob and xoob cpc's are no longer operable and haven't been since the OOB update, remove them to avoid confusion

cmr:v1.7.4:reviewer=hjelmn:subject=Remove stale cpcs from openib
Cleanup the radix MCA params - the max connections has no relationship to the max fd's on a node. It solely is used to improve the performance of small jobs by avoiding unnecessary inter-daemon routing.

Refs #3917
Add a little debug

cmr:v1.7.4:reviewer=ompi-gk1.7