replayer: Drop obsolete fields from origin-visit
Otherwise, we won't be able to replay them (since the storage no longer knows what those obsolete keys are).
Related to T2310
Test Plan
tox
Migrated from D3360 (view on Phabricator)
Staging instance, all changes can be removed at any time
Otherwise, we won't be able to replay them (since the storage no longer knows what those obsolete keys are).
Related to T2310
tox
Migrated from D3360 (view on Phabricator)