Remove `make update_commonplace` because it can't work
rename reviewer comment strings (bug 1097718)
Merge pull request #2725 from mstriemer/nothing-to-update-in-commonplace

Remove `make update_commonplace` because it can't work
Remove users from dumps of opt-out (bug 1094971)
Accept multiple client_id/secret pairs for FxA (bug 1080039)
Placeholder client_ids
Remove old change
Add missing helpers file
Update mock that changed