RDMA/cma: Remove unused SDP related code
RDMA/cma: Remove unused SDP related code

The SDP protocol was never merged upstream.  Remove unused SDP related
code from the RDMA CM.

Signed-off-by: Sean Hefty <9575f92314b8ac7581ac1b2afb880058b7fbd431@intel.com>
Signed-off-by: Roland Dreier <0d270388f2f92757a5de0f4bd891d3b392c44c4f@purestorage.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs