Revert "forcing planet to not cache feeds _at all_"
Revert "forcing planet to not cache feeds _at all_"

This reverts commit 7b3753482d62f9b5045543a099995e8115f2114f.

ManageIQ/planet.manageiq.org,ManageIQ/planet.manageiq.org,ManageIQ/planet.manageiq.org,ManageIQ/planet.manageiq.org