Disable HistoryManager on NFS on all hubs
Disable HistoryManager on NFS on all hubs

We had a typo in how we were doing this earlier (via
a config file in the image) so this was putting sqlite
on NFS forever. That is bad for NFS and for sqlite, so let's
kill it.

ryanlovett/datahub,berkeley-dsep-infra/datahub,berkeley-dsep-infra/datahub,berkeley-dsep-infra/datahub,ryanlovett/datahub,ryanlovett/datahub