Remove sysctl debug.ncnegfactor, it is renamed to vfs.ncnegfactor.
Remove sysctl debug.ncnegfactor, it is renamed to vfs.ncnegfactor.

MFC:	do not

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