(SERVER-2444) Reference setting rather than indirector state to check for PuppetDB
(SERVER-2444) Reference setting rather than indirector state to check
for PuppetDB

Since we are trying to avoid relying on the global configuration of the
indirector, it seems better to reference puppet settings to check for
PDB, rather than query about the terminus directly.

puppetlabs/puppetserver,puppetlabs/puppet-server,puppetlabs/puppetserver,puppetlabs/puppet-server,puppetlabs/puppetserver,puppetlabs/puppet-server,puppetlabs/puppetserver