The clamav module should not enable rsync by default

Description

The fact that rsync is used by default causes issues with non-ISO builds since users now need to do extra work to get rsync set up, potentially without reason.

We should disable rsync and allow the user to choose how they want to propagate updates to their clients.

Considering this a bug since the module really should have done this in the first place.

Acceptance Criteria

None
Done
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Story Points

3