(PCP-896) Rm server setup - bolt task download tst
(PCP-896) Rm server setup - bolt task download tst

This commit removes the puppetserver setup steps from the
`task_download` test.  It updates the test to use the pre-configured
"bolt" environment that is created in the beaker setup stage.

puppetlabs/pxp-agent,puppetlabs/pxp-agent,puppetlabs/pxp-agent