Clean up some junk.  The bogus trapframe on the stack was removed from the MI code in August 2000 elsewhere.
Clean up some junk.  The bogus trapframe on the stack was removed from the
MI code in August 2000 elsewhere.

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