MFC: 280380
MFC: 280380

sfxge: remove unnecessary and wrong prediction

Sponsored by:   Solarflare Communications, Inc.
Original Differential Revision: https://reviews.freebsd.org/D2085

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase