(maint) acceptance: Use package install by default
(maint) acceptance: Use package install by default

Installation from git source in acceptance tests is broken so it doesn't
make sense as a default.

This also removes the package fall back when the repo configuration was
missing and forces you to use the install_type: :package setting
instead.

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