(PDB-3723) Remove fact-related summary stats data obviated by jsonb
(PDB-3723) Remove fact-related summary stats data obviated by jsonb

[rlb@puppet.com: adjust commit message]

rbrw/puppetdb,rbrw/puppetdb,rbrw/puppetdb,puppetlabs/puppetdb,puppetlabs/puppetdb,puppetlabs/puppetdb,puppetlabs/puppetdb,rbrw/puppetdb,puppetlabs/puppetdb,rbrw/puppetdb