Revert "Reset datastore when adding fresh data to it" (#14584)
Revert "Reset datastore when adding fresh data to it" (#14584)

This reverts commit 292754566f61c9205f8a11a6e3f1bd8cfa4db394.
mozilla/addons-server,mozilla/addons-server,mozilla/addons-server,eviljeff/olympia,mozilla/olympia,mozilla/olympia,bqbn/addons-server,bqbn/addons-server,eviljeff/olympia,diox/olympia,mozilla/olympia,eviljeff/olympia,diox/olympia,diox/olympia,wagnerand/addons-server,bqbn/addons-server,eviljeff/olympia,diox/olympia,wagnerand/addons-server,wagnerand/addons-server,wagnerand/addons-server,mozilla/olympia,bqbn/addons-server,mozilla/addons-server