Make deletenode actually remove rows, instead of just printing out the SQL to do it.
Make deletenode actually remove rows, instead of just printing out the
SQL to do it.

Add an intentionally undocumented -b option to skip the interactive
confirmation, for use with scripts, etc. that have already asked for
it.

nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome