There was a bug on status-react where it would save filters that were
not listened to.
This commit adds a task to clean up those filters as they might result
in long syncing times.
This commit also returns topics/ranges/mailserves from messenger in
order to make the initialization of the app simpler and start moving
logic to status-go.
It also removes whisper from vendor.
This commit re-introduces a feature that we lost during the migration to
status-go.
Messages are cached for a couple of days if processed correctly by
status-go, to avoid performance issues.
Richard Ramos
Andrea Maria Piana